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: 18mm / 0.7-inchTotal Length: 24mm / 0.94-inchHex Side Width:5.6mm / 0.22-inchNet Weight: 49gColor: BlackMaterial: NylonPackage Content: 100+/-2%pcs x Hex Standoff Spacer