Champion 1 16In X 1 2In Roll Pin 40Pk Replacement Packs Imperial Gpi 413 Series Ergonic Screwdriver Set 413 Series Ergonic Screwdriver Set 6pc Insulated¦Ergonic handle conforms complete to users hand providing the ability to generate up to 30 percent more torque ¦Blade type printed on top and on grip of handle for fast identification of screwdriver tip type ¦Impact Proof Handle w hanging hole for easy storage or inserting lever ¦Anti roll handle design resists rolling on inclined or vibrating surfaces ¦Blades made of Chrome Molybdenum Vanadium steel ¦Precision machined black tips ensures the screwdriver tip always fits easily and precisely into the screw head ¦certified to 1 Made of heat treated steel and nickel chrome plated for strength and durability Champion 1 16in x 1 2in Roll Pin 40pk