This one??
SIP 07648 6″ Welding Angle Clamp
Max opening is 75mm x 70mm
Product Description
With these welding clamps one man can set up a weld instantly
Made from cast iron with a pivoting jaw and spindle with is copper plated for spatter protection
Sliding T handle for high pressure, gives precise clamping for a multitude of welding tasks such as welding of a T joint of different thicknesses.
Clamping whilst grinding off welding seams on angle joints etc and safe rectangle holding of steel plates.
it has oblong holes to allow easy fixing of the clamp to the workbench or machine tool table.