Bondhus L portion of the wrench is shorter than standard--the Stubby wrench will reach more easily into tight spaces. Screw turns much faster-no need to exit and re-enter screw, even when it is obstructed. Corrosion resistant Proguard finish creates crystalline structure that doesn't allow water to penetrate. Made from Protanium high torque steel. Precision tip eliminates cut off burr problems. Includes 1/16, 5/64, 3/32, 7/64, 1/8, 9/64, 5/32, 3/16, 7/32, and 1/4 wrenches. Bondhus' lifetime warranty.