CHANNELLOCK Mechanics Tool Sets come equipped with a full selection of the most commonly used sockets, wrenches, ratchets and more all contained within a durable molded case for easy and secure storage. Deep and standard sockets feature DYNA DRIVE technology which offers 20% more torque, eliminates slippage, and prevents damage to fasteners. The 39053 171 piece CHANNELLOCK Mechanics Tool Set includes: 3 drive sizes (1/4, 3/8, 1/2 inch), Combination Wrenches, Quick Release Oval Head Ratchets, Extensions, Deep Well, Standard, and Spark Plug sockets, SAE and Metric 8pc Hex Key Set, high torque Magnetic bit Nut Driver with 4 bit sets, and a Magnetic Parts Tray. The 39053 171pc CHANNELLOCK Mechanics Tool Set is made to A.N.S.I. standards in Taiwan.

• STANDARD SAE and METRIC 1/2, 3/8, and 1/4 inch drive chrome vanadium standard and deep well sockets
• 1/2, 3/8, and 1/4 inch QUICK RELEASE 45 gear teeth ratchets
• DYNA DRIVE Torque System offers 20% more torque, eliminates slippage, and prevents damage to fasteners
• FULL POLISH flat panel, SAE and Metric combination wrenches
• SAE and METRIC hex keys
• Magnetic bit driver with full range of fastener bits
• DURABLE molded case for secure storage
• CONTENTS: (3) Quick Release Oval Head Ratchets, (12) Combination Wrenches, (20) 1/4″ Dr. 6 Pt. Sockets, 3/8″ Dr. 3″ Extension, 3/8″ Dr. 6 Pt. Sockets, (6) 3/8″ Dr. 12 Pt. Sockets, (2) 3/8″ Dr. Spark Plug Sockets, (8) 3/8″ Dr. 6 Pt. Deep Wall Sockets, (12) 1/2″ Dr. 6 Pt. Sockets, (8) SAE Hex Keys, (8) Metric Hex Keys, (20) 1/4″ Dr. x 1.5�� Hex Drivers, 1/4″ Dr. Magnetic bit driver, (40) Assorted Driver bits, 1/4�� Dr. x 3 Bit Driver Extension, Magnetic Parts Tray