Duralast 1/2in Drive Extension Torque Wrench 51-220

Torque range of 20-150 ft. lbs.,Factory calibrated to +/- 4% clockwise accuracy in the upper 80% of torque range.,Wrench is designed to give an audible click when torque setting is reached.,Plastic case for storage and protection.,Twist collar locks torque setting in place.,Handle twists to easily set desired torque.,Quick release button on head of ratchet allows for easy release of sockets and accessories.,Alloy Steel construction,Chamfered square drive lead-in helps provide fast and easy placement of sockets and accessories onto drive.