Specialist welder's angle jig and fixture clamp. One man set up and operation. Made from cast iron with copper plated pivoting jaw and spindle for spatter protection. T-handle enables high pressure secure clamping for many tasks, including welding T joints on pipes of various shapes and sizes. Also facilitates grinding off welding seams on angle joins and secure retention of rectangular steel plates, etc.Design features allow easy fixing to workbench or machine tool table.