Our Jewelers Screwdrivers are compact and durable, making them an ideal choice for jewelry repair, watch making and subminiature parts assembly. The nickel-plated, knurled bodies conform to government specifications for size and weight. This item is a .100 in. blade width Slotted screwdriver. For jewelry repair, model making, watch making and other small-scale applications. Includes one .100 in. Slotted screwdriver. Overall length of 3-7/8 in. Body is knurled and nickel plated. Blade oxide blade prevents rust. Free spinning swivel head. Identification rings on body with size markings. Conforms to government specifications GGG-S-1808.