Tongue and Groove Pliers - Hardened steel Corrosion-resistant - Undercut tongue-and-groove design assures strong no-slip jaw action. - Laser heat-treated right-angle teeth for greater durability. - jaw design accommodates many shapes. - pliers are self-locking. - fastener eliminates nut and bolt failures. Plier Jaw Style / Straight Jaw Adjustment Type / Tongue and Groove Max. Jaw Opening / 2 1/4 in Jaw Length / 1 1/2 in Overall Length / 12 in Handle Type / Dipped Tether Style / Tether Capable No. of Jaw Positions / 7 Material / Steel Finish / Polished Features / Channellock Blue(R) Grips for Comfort, Undercut Tongue and Groove Design, Right Angle, Laser Heat-Treated Teeth Grip, Patented Reinforcing Edge, Permalock(R) Fastener Eliminates Nut and Bolt Failure Standards / ANSI B107.23