LAB LPK005 DUR-X Semi Pro Universal Rekeying Pin Kit With .005 Increments, specially designed with 102 sizes, 1 Spring size 115L, the top/master pins range from .010 to .300, the bottom pins range from .150 to .360. This light weight kit and the case is made out of a super tough polyethylene. The triple latches with double snap protection keeps this kit locked securely. The center of the lid has a carrying handle. this case features a seal tight lid that prevents the pins from mixing. This kit also has color passport pin charts to identify the pins/compartments. there are 72 pins per pocket, and 100 springs per pocket. The key slots on the bottom of the pin kit are for mounting the case to a work bench, dimensions:22-1/2" x 8-1/4" x 3".