The General Tools Five-piece Ratcheting Offset Screwdriver Set with Pass-through Handle is ideal for use where screws are concealed or obstructed, leverage is required, or turning space is limited. Includes handle and slotted and crosspoint blades. Rotation of the plated-steel drive can be reversed instantly and adjusted for left- or right-handed use. Blades are made of hardened, tempered steel. Meets U.S. Government Specification GGG-S-1408. Blade types/sizes: 1/4 in. and 3/8 in. slotted; #1 and #2 crosspoint. Drive length: 4 in.