CRESCENT® CIPW18 Crescent® Cast Iron K9 Jaw Pipe WrenchesCRESCENT 192 CIPW18 Features Cast Iron K9 Jaw Pipe Wrench K9 jaw technology allows teeth to bite in an arc of 30 degrees for greater access in tight spaces 25% larger bite surface provides maximum grip helping to increase tooth durability and life Adjustment ring thread pitch angled for 2x faster opening and closing of wrench jaw Optimized cast iron design is up to 10% lighter than competitive wrenches Handle shape optimized for maximum power and user