Great assortment of Chicago screws for your holster making needs. 8-32 thread -- QTY included are Ten 1/4", Ten 3/8”, & Ten 1/2” binding posts slotted with through hole: -- Ten 1/4", Ten 3/8”, & Ten 1/2” phillips flat head truss machine screws steel black oxide coated. -- Makes for an awesome holster hardware kit for your kydex holster hobby or business.