171pc Mechanic's Tool Set (39053) Socket Sets Added spring makes for ideal

Added spring makes for ideal one-handed use while 90-degree teeth allow for easy tip installation and removal

(8) Metric Hex Keys

laser heat-treated crosshatch teeth grip 2

DURABLE return spring reduces hand fatigue

171pc Mechanic's Tool Set (39053) Socket Sets Added spring makes for idealCHANNELLOCK 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