TEKTON 4-1/4-Inch Capacity Tongue and Groove Pliers, 16-Inch (37526) ADJUSTABLE PLIERS: Use these tongue and groove pliers with chiseled, angled teeth that lock on with a high-leverage nonslip grip to tighten and loosen bolts. It features an adjustable nut bolt fastener that can be accustomed to specific sizes and tension. HIGH GRADE: Steel alloy is naturally corrosion-resistant & provides a vice grip hold even on irregular shaped objects & clamps. This groove plier tool has broad handles with slight cushioning that evenly distribute force across your hand to reduce stress. PLIERS FOR THE JOB: Fixed or solid-joint pliers are the way to go and offer tremendous versatility for a much-needed job. These tongue and groove pliers are perfect for your toolbox and navigate specialized jobs more efficiently. OVER 50 YEARS: Tekton has manufacturing strong, professional tools. Over the years, we have evolved to provide durable torque wrenches, hex key wrenches, screwdrivers, bit sets, screwdrivers, pliers, clamps, & other tool box stables for you to utilize. FAMILY OWNED: Based in Grand Rapids, Michigan we are dedicated to making the best tools & hire the best engineers to create tools with maximum strength & leverage. Our tools, organizers, spare parts & more are creatively designed, well made & durable.