Square head screwdriver with 48 mm diameter hardened steel and brass washer against corrosion. Perfectly smooth edges for a perfect finish Cutting capacity: 2mm for metal sheet and 1.2mm for stainless steel A: 63mm Thread: M14 x 1.50mm Part Number: PI-71048 Punch: Piher Square Head Screw Hole Punch Diameter 48 mm – 71048 Type: