The Birchwood Casey 22 Piece Basic Gunsmithing Screwdriver Set provides a variety of bits for a variety of gunsmithing tasks. With 22 pieces coming in a clear front" plastic storage container it will be easy to find the right tool for the job. Since 1948" serious shooters" avid collectors and professional gunsmiths have relied on Birchwood Casey for shooting and gun care products that have stood the test of time. Birchwood Casey has pioneered innovative products with an unwavering dedication for quality.