Dowels -10pcs 4mm Dia Pin Carbon Steel Tray Support Pin Fix Elements 20mm Highlights Generic Brand 10pcs 4mm Dia Pin Carbon Steel Tray Support Pin Fix Elements 20mm Description: Dowels steel have a diameter of 4mm / 0.16in and a height of 8/10/15/20/25/30mm Made of carbon steel, very smooth surface, anti-rust, anti-corrosion, strong and durable for long term Non-threaded cylindrical fasteners, fasten position of a component, connect components or maintain alignment between them Chamfered ends add a touch of detail, allow pins to be easily inserted into all holes, while aiding installation Makes pins fit adjusted, your hole must be equal to or slightly less than the diameter indicated (less than or equal to 4 mm). specification: Material: carbon steel Package includes: 10pcs studs