16-55mm Sheet Metal Punch Hole Punch Cutter for Steel Plate, Stainless Steel
Brass Reducer Connect BSP Female Male Thread Reducing Joint Pipe Converting 2PCS. It produces a perfectly round and clean hole, free of any burrs or rough edegs. 10PCS PC Pneumatic 4mm 6mm 8mm 10mm Hose Tube Air Pipe Connector Brass Fitting.