Head Style: Hexagon; Material: Nylon; Package Content: 50(+/-2%) x Hex Bolt Item Name: Hex Bolt Screw Size: M5 x 50mm(d*L) Weight: 2.0 oz (55 g); Main Color: White Screw Pitch 0.8mm; Total Length: 53mm Head Height(k): 4mm ; Hex Width: 8mm (s)