WORKPRO Water Pump Pliers Set - Self-adjusting Groove Joint Wrench Pliers, V-Jaw, 8-inch & 10-inch Self-Adjusting Jaws can grip various bolt head shapes and sizes Ergonomically designed rubber handles provide a comfortable grip Fully automatic for true one-handed use Max. jaw opening: 43mm(1-11/16") 2X Gripping power and 50% labor-saving Fully automatic for true one-handed use Max. jaw opening: 43mm(1-11/16&#034;) 2X Gripping power and 50% labor-saving Ergonomically designed rubber handles provide a comfortable grip Self-Adjusting Jaws can grip various bolt head shapes and sizes