The price is for one piece Screws included. M4. Length 1 inch ( 25 mm ) About Screws: 1.0’’ (25 mm) as default. Screws are available in 0.79’’(20 mm), 1’’( 25 mm), 1.18’’( 30 mm), 1.38’’( 35 mm), 1.57’’( 40 mm), 1.77’’( 45 mm), 1.97’’( 50 mm) If you need others size Screws ,Plz left message to me.