Klein Tools 7-Piece Cush-Grip Nutdriver Set, 3/16", 1/4", 5/16", 11/32", 3/8", 7/16", 1/2": * Hollow-shaft, fastener-fit design accommodates stacked circuit boards as well as longer bolts and studs * Color-coded ends along with the patented Tip-Ident system make selecting the right tool for the job a snap * Comfortable cushion-grip handles help minimize hand stress, allowing you to put more torque on problem fasteners * Flange-anchor construction ensures that shafts remain solidly seated in their handles * Strong, chrome-plated steel provides corrosion-resistant durability * Tool Type: Nutdriver * Tip Size(s): 3/16, 1/4, 5/16, 11/32, 3/8, 7/16, 1/2 * Handle Material: Plastic/Foam * Tip Type: SAE Socket