Sturdiness and Durability: OFOSSTOOL groove joint pliers are made of high quality Chrome-Vanadium steel with excellent working performance and corrosion resistance; heat-treated high carbon steel and precision machined jaws are durable and high strength Large Jaw Capacity: Max jaw capacity 1-3/16 inch ( 30 mm ), Overall length 10-inch ( 240 mm ). This tongue and groove pliers fit comfortably around all sizes and shapes of fasteners and materials Strong Grip: The V-Jaw design provides multiple points of contact for a stronger grip on objects of all types and sizes. Powerful angled teeth are designed for a secure grip Ergonomic Design: Our water pump pliers are ergonomically designed for a secure, non-slip hold. Heavy-duty design for higher leverage and even powerful vice gripping and cutting. Dipped handle for non-slip and convenient use Versatile Use: This tongue and groove joint pliers tool set is suitable for a wide range of tasks, whether it's for home repairs or professional engineering work, including plumbing, car repair and DIY projects Quick Adjustment Button: Push the button for adjustment on the workpiece with fine adjustment for optimum adaptation to different sizes of workpieces and a comfortable handle width Complete Set: Includes 2-piece pliers set with 10-inch and 7-inch groove joint pliers, providing versatile options for various applications and workpiece sizes, Weight: 1.1 pounds, Manufacturer: OFOSSTOOL