This double tongue & groove plier is 13.5-Inch long, 2-Inch jaw capacity with 6 adjustments gives added strength with a thick parrot nose design and is called the Nut Buster. Safe T Stop on lower jaw prevents finger and hand pinching.Features:Double tongue and groove for added strength Patented undercut tongue-and-groove design Patented Permalock fastener eliminates nut & bolt failure Channellock Blue comfort grips 100% guaranteed against breakage and failure