Neiko 01317A Pro-Grade Screwdriver Set, 8 Pieces, Slotted Hex Bolster, Phillips, Phillips Hex Bolster Professional grade screwdriver kit is constructed from hardened chrome vanadium shafts for extra strength Tips and blades are heat-treated for superior strength and sharpness Sand blasted tips offer precision and fit snugly in fasteners, magnetic tips holds screws securely in place for convenient work Contoured handles allow for greater grip during operation Essential tools for home, the 8 piece set includes: 3 slotted w/ hex bolster (1/4"x4", 5/16"x6", 3/8"x8"), 2 slotted (3/16"x3", 1/4"x1 1/2"), 2 Phillips w/ hex bolster (#2x4", #1x3"), and 1 Phillips (#2x1 1/2") making it the perfect set for any screwdriver jobs around the house