Jewellers Tools Drill Hole Maker Making Hole Punch Craft Drilling Metal Sheet Tool Gold 1.6 MM & 2.3 MM Designed to be used with soft metals. This punch allows you to punch holes in 2 sizes 1.6mm and 2.3mm. Eliminating the need of drilling. This allows for easy hole making when needed. Punches soft metals like Brass, Gold, Silver Up to 20 Gauge Works with soft plastics, leather and wood! Outer Length 75mm Outer Width 19.5mm Outer Thickness 10mm Weight 4 oz