Chapman Mfg Phillips Screwdriver Bits-P1 = Phillips #1Chapman P1 Phillip's screws can be found in most products in your home, furniture, office, and more! Chapman's Phillips screwdriver bits can be used to help homeowners with many of their home improvements such as changing door locks, assemble shelving, or assembling a desk. Made, hand assembled inspected in Durham, CT from USA materials. Chapman Precision Screwdriver Bits Precision milled to tight tolerances with flat edges, sharp corners no burrs for