Extra heavy duty stilson pipe wrench. Size: 450mm (18"). 3" jaw opening. Very strong sturdy construction. Manufactured from drop forged steel. Teeth are serrated in opposite directions for a secure grip. Top quality drop forged steel jaw and nut. Double dipped PVC handle for extra comfort. High grade steel for strength and durability. Foam dipped I-beam non slip cushion handles allow for a secure grip while being comfortable. Precision machine teeth grip pipes securely. Spring loaded head provides fast jaw grip and release. For professional use. Easily adjustable jaws with knurled adjustment nut.