Robust tool to support heavy loads and long-lasting quality. For professional use. Steel and drop-forged. Swedish model with S mouth for a secure grip on three points. Auto press, so it grabs and sets also smooth tubes, sturdy cromovanadio, fully forged with stampings, polished and varnished steel kiln. Toothed hardened very wear-resistant. Non-slip handles with ergonomic shape. Protection for not to get caught. PIN adjustment nut. Hardened PIN.