Manufactured from chrome vanadium for wear prevention and long working life. Featuring precision milled jaws with 8 locking positions for enhanced grip and to reduce the likelihood of damaging the workpiece. The ergonomic handle maximises grip, prevents slipping and assists rotational force. Ideal for gripping slippery surfaces, nuts, bolts and irregular shaped objects. Maximum jaw opening 40mm Hardened & tempered Cr-V jaws For long lasting performance Precision milled teeth for maximum fastener grip Ergonomic soft-grip handles 8 anti-slip locking positions" Size mm: 300 Size inch: 12 Jaw Opening mm: 40 Jaw Opening inch: 1 1/2