This is a Bulk Package of Socket Head Cap Screws. FEATURES: Steel construction. Silver colored cap head with a hexagon socket drive insert and a 3mm shoulder. Get the quantity you need & pay less since you"re not paying for packaging! INCLUDES: (100) Screws SPECS: Thread Size: 4-40 Length: 1" (25mm) kr4/29/04 ir/jxs updt jxs 03/19/12