Proto Plier Locking Plug Weld Jaw, 9.3/4'', Jaw Lgth 3.13/32'', Steel Black 301XL
Copper alloy knurled swivel pad to help prevent burn through when plug welding thin sheet metal. Plug welding is advised in most American Collision Repair Procedure Manuals.
U-shaped mobile jaw to help provide even pressure around spot to be welded.