General description Galvanised Mild Steel Munsen type bossed pipe clip designed for 50 NB pipes with an outside diameter of 61 mm. This durable clip is made from galvanised mild steel and is supplied with M10*50 galvanised steel set screws, full nuts, and lock nuts for secure installation. Technical specifications Pipe Outside Diameter: 61 mm Hole diameter: 12 mm Hole center to edge: 20 mm Material width: 40 mm Material thickness: 5 mm Gap: 10 mm Nominal Bore (NB): 50 D: 61 mm P: 125 mm