Great assortment of Chicago screws for your holster making needs. 8-32 thread -- QTY included 20 - 1/4", 10 - 3/8", & 10 - 1/2" binding posts slotted with through hole: -- 10 - 1/4", 20 - 3/8", & 10 - 1/2" phillips flat head truss machine screws steel black oxide coated. -- Durable black rubber spacers. Sizes included are: 10 - 1/8", 10 - 3/16", 10 - 1/4", 10 - 3/8" & 10 - 1/2" -- Handy holster hardware kit for your kydex holster or sheath projects.