Description:Nylon material, single hex head, male female type threaded, and it is perfect for mounting between PCB circuit boards and machine boards.specifications:Product Name: Hex Standoff SpacerThread Size: M3Thread Length: 6mm / 0.24-inchHexagon Length: 11mm / 0.43-inchTotal Length: 17mm / 0.67-inchHex Side Width:5.6mm / 0.22-inchNet Weight: 47gColor: WhiteMaterial: NylonPackage Content: 150+/-2%pcs x Hex Standoff Spacer