QUALITY MATERIAL – Featured with quality C60 high carbon steel, the jaw is drop forged and heat-treated for increased hardness. Ductile iron casting I-beam handle ensures lasting durability.        
STRENGTHENED JAWS - Jaws are further strengthened with once overall heat treatment and another high-frequency quenching on teeth. Precisely machined to give a tight and secure grip on the work pieces.        
QUICK ADJUSTMENT - Smooth match between the hook thread and nut thread makes the adjustment process quick and easy.        
BLACK PHOSPHATING - A fine and dense coating on the surface of the jaw brings more corrosion and wear resistance for long time use.        
WIDE APPLICATION – The 18in(450mm) versatile plumbing tool is ideal for pipe with diameter up to 60mm(2-3/8in). Suitable for a variety of types of pipe works. Jaw Capacity- 77mm(3in).