CRAFTSMAN CMMT12121 83PC Mechanics Tool Set SAE Metric 1/4 3/8 Drive

Description

View CRAFTSMAN CMMT12121 83PC Mechanics Tool Set SAE Metric 1/4 3/8 Drive with current marketplace pricing, condition, product images and item details. Model / MPN CMMT12121. This set features 1/4" and 3/8" drive 72-tooth ratchets with a 5° arc swing and a head that is up to 25% thinner than previous models, providing exceptional access to tight and confined spaces. ✅ CRAFTSMAN CMMT12121 – 83-PIECE MECHANICS TOOL SET 🔥 1/4" & 3/8" DRIVE | SAE & METRIC | 72-TOOTH RATCHETS | 5° ARC SWING ⭐ 25% THINNER HEAD | FULL POLISH CHROME | BLOW MOLD CASE | LIFETIME WARRANTY ⚡ Product Highlights ✔ 83-Piece Comprehensive Set – Includes 1/4" and 3/8" drive ratchets, a full assortment of 6-point sockets in SAE and Metric, hex keys, specialty bits, and drive tools ✔ Low-Profile Ratchets – Up to 25% Thinner Head – Improved low-profile design delivers greater access in confined spaces compared to CMMT81747 and CMMT81748 ✔ 72-Tooth Ratchets with 5° Arc Swing – Provides smooth operation and precise control in tight spaces ✔ Full Polish Chrome Finish – Provides corrosion resistance and a professional appearance ✔ Durable Blow Mold Case with Metal Hinges – Keeps tools organized and secure – designed to fit into CRAFTSMAN metal storage boxes ✔ Complete SAE & Metric Coverage – 1/4" drive: SAE 5/32"–1/2" & Metric 4mm–12mm; 3/8" drive: SAE 1/4"–13/16" & Metric 10mm–19mm; plus deep sockets ✔ Full Lifetime Warranty – Backed by CRAFTSMAN's industry-leading warranty 🔧 Compatibility & Application ✔ Perfect For: • Automotive Repair & Maintenance: Ideal for engine work, brake jobs, suspension, and general auto repair • DIY & Home Projects: Great for furniture assembly, appliance repair, and household maintenance • Professional Use: Durable construction for daily use in garages and shops • Starter Set or Addition: Perfect as a starter set or an addition to your current tool collection ✔ Drive Compatibility: 1/4" and 3/8" drive tools – the two most versatile drive sizes for mechanical work. 💡 TIP: The low-profile ratchet head (up to 25% thinner) makes this set ideal for working in tight engine bays and confined spaces. 📋 Specifications BrandCRAFTSMAN Model / MPNCMMT12121 Product TypeMechanics Tool Set Number of Pieces83 Drive Sizes1/4 in, 3/8 in Measurement SystemSAE & Metric Socket Type6-Point Ratchet Teeth72-Tooth Ratchet Arc Swing5° Head ThicknessUp to 25% Thinner (vs. CMMT81747, CMMT81748) FinishFull Polish Chrome MaterialMetal Item Weight10.58 lbs Item Length17 in UPC885911928991 WarrantyFull Lifetime Warranty 📖 Product Description Comprehensive 83-Piece Mechanics Tool Set The CRAFTSMAN CMMT12121 83-Piece Mechanics Tool Set is a comprehensive automotive toolkit designed for versatility and ease of use. This set features 1/4" and 3/8" drive 72-tooth ratchets with a 5° arc swing and a head that is up to 25% thinner than previous models, providing exceptional access to tight and confined spaces. Packed with a broad assortment of 6-point sockets and drive tools in a durable blow mold case with metal hinges. Low-Profile Ratchets for Tight Spaces The improved low-profile ratchet design delivers greater access in confined spaces compared to CMMT81747 and CMMT81748. The 72-tooth ratchet mechanism provides a 5° arc swing, allowing you to turn fasteners in the tightest spots where other ratchets won't fit. The full polish chrome finish provides corrosion resistance and a professional appearance. Complete Coverage – SAE & Metric This set includes 1/4" drive sockets in SAE (5/32"–1/2") and Metric (4mm–12mm), 3/8" drive sockets in SAE (1/4"–13/16") and Metric (10mm–19mm), plus 3/8" drive deep sockets, a spark plug socket, extension bars, hex keys, specialty bits, and a bit driver. Everything is organized in a durable blow mold case designed to fit into CRAFTSMAN metal storage boxes. Who Needs This Tool Set? This is the ideal tool set for automotive enthusiasts and mechanics who need a comprehensive, organized solution for everyday repairs. DIYers who want professional-grade tools for home projects. Anyone looking for a starter set or an addition to their current tool collection. Backed by CRAFTSMAN's Full Lifetime Warranty. ✅ Why Choose the CRAFTSMAN CMMT12121? • 83-Piece Comprehensive Set – 1/4" & 3/8" drive – SAE & Metric – covers most jobs • Low-Profile Ratchet – 25% Thinner Head – Access tight spaces with ease • 72-Tooth Ratchets – 5° Arc Swing – Smooth, precise operation • Full Polish Chrome Finish – Corrosion-resistant, professional look • Blow Mold Case with Metal Hinges – Organized storage, fits CRAFTSMAN metal boxes • Full Lifetime Warranty – CRAFTSMAN quality commitment 📦 Package Includes – 83-Piece Complete Set ✔ (2) 72-Tooth Low Profile Ratchets – 1/4" Drive & 3/8" Drive ✔ (10) 1/4" Drive 6-Point Standard Sockets (SAE) – 5/32", 3/16", 7/32", 1/4", 9/32", 5/16", 11/32", 3/8", 7/16", 1/2" ✔ (9) 1/4" Drive 6-Point Metric Sockets – 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm ✔ (10) 3/8" Drive 6-Point Standard Sockets (SAE) – 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4", 13/16" ✔ (10) 3/8" Drive 6-Point Metric Sockets – 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 16mm, 17mm, 18mm, 19mm ✔ (5) 3/8" Drive 6-Point Deep Sockets (SAE) – 3/8", 7/16", 1/2", 9/16", 5/8" ✔ (5) 3/8" Drive 6-Point Deep Sockets (Metric) – 10mm, 12mm, 13mm, 14mm, 15mm ✔ (1) 3/8" Drive Spark Plug Socket – 5/8" ✔ (1) 3/8" Drive 6" Extension Bar ✔ (1) 1/4" Drive 3" Extension Bar ✔ (16) Hex Keys – SAE & Metric ✔ (1) Adapter ✔ (1) Universal Joint ✔ (1) Bit Driver ✔ (10) Specialty Bits ✔ Durable Blow Mold Case – With metal hinges, designed to fit CRAFTSMAN metal storage boxes ✅ COMPLETE KIT – READY TO USE: This is a complete 83-piece mechanics tool set – ratchets, sockets, extensions, hex keys, bits, and case are all included. Everything you need for automotive and mechanical work! ⚠️ Usage & Care Tips 🔧 Tool Selection Guide: • 1/4" Drive: Best for small fasteners, precision work, and tight spaces – use with SAE 5/32"–1/2" and Metric 4mm–12mm sockets • 3/8" Drive: The most versatile drive size – ideal for general automotive work – sockets range from SAE 1/4"–13/16" and Metric 10mm–19mm • Deep Sockets: Use when you need to reach nuts or bolts recessed below the surface or on longer studs • Low-Profile Ratchet: The 25% thinner head is specifically designed for tight spaces – use it where standard ratchets won't fit • Spark Plug Socket: The 5/8" socket includes a rubber insert to protect spark plugs during removal and installation 🧼 Care & Maintenance: • Clean After Use: Wipe tools with a clean cloth to remove grease, dirt, and moisture – the full polish chrome finish resists corrosion • Store Properly: Keep tools in the blow mold case to prevent damage and loss • Inspect Regularly: Check ratchets and sockets for wear – replace if damaged • Lubricate Ratchets: Apply a small amount of light oil to ratchet mechanisms periodically for smooth operation • Avoid Over-Torquing: Use the correct size socket and don't exceed the tool's rated capacity 🔧 SAFETY WARNING: Always wear ANSI-approved safety glasses when working with tools. Use the correct size socket for the fastener to prevent slipping. Never use tools that are damaged or worn. Keep tools away from children. Always follow the manufacturer's instructions for proper use and maintenance. 🛡️ After-Sales Service ✔ ✔ 30-Day Easy Returns: Not satisfied? Return it within 30 days for a full refund (buyer pays return shipping unless defective). ✔ 100% Genuine CRAFTSMAN Product: Authentic CRAFTSMAN tool set – no counterfeit, guaranteed. ✔ Full Lifetime Warranty: CRAFTSMAN's legendary warranty – if it fails due to workmanship or materials, they repair or replace it. ✔ 24/7 Customer Support: eBay messages replied within 24 hours. We're here to help with product questions. Disclaimer: CRAFTSMAN is a registered trademark. This is a professional-grade mechanics tool set with Full Lifetime Warranty. SAE and metric sizes included. Product specifications subject to manufacturing tolerances. Always use tools in accordance with safety guidelines. 🔧 CRAFTSMAN Professional Tools | ⭐ 83-Piece Mechanics Tool Set | 🚚 Ships in 3 Business Days ✅ 1/4" & 3/8" Drive – SAE & Metric – 72-Tooth Ratchets – 5° Arc Swing – Low Profile Head – Lifetime Warranty 🔍 MODEL CMMT12121 – Complete 83-Piece Mechanics Tool Set with Blow Mold Case Condition: New. Category: Home & Garden › Tools & Workshop Equipment › Hand Tools › Hand Tool Sets. Brand: Craftsman.

Socket Type

6-Point

Number of Pieces

83

Case Type

Hard

MPN

CMMT12121

Brand

Craftsman

Personalize

No

Ratchet Teeth

72-Tooth

Type

Mechanics Tool Set

System of Measurement

Metric

Case Included

Yes

Manufacturer Warranty

Lifetime

Finish

Chrome

Tools Included

Socket, Ratchet

UPC

885911928991