Tube end plugs for round tubing for hammering in – with circumferential knurling, polished to K240. For tubes from Ø 21.3 to Ø 101.6 mm, in V2A and V4A; smaller sizes made of solid material, larger sizes hollow. The plug locks securely into the tube with no play—available in standard or thin versions, slightly curved, flat, or semi-circular, with M8 threads upon request.