These Knipex 82 Series TwinGrip Slip Joint Pliers have a high-grip front jaw with robust teeth and high gear ratio at the tip of the mouth. Sustaining a large front and side gripping capacity, it offers reliable front gripping of flat workpieces thanks to its three-point system. Forged from high-grade chrome vanadium electric steel, oil-hardened, as the teeth have been additionally induction-hardened to approx. 61 HRC. The Knipex Pliers have a five-way adjustable slip joint with push button adjustment for precise adjustment of gripping capacity. These slim pliers let you work in confined installation spaces, with a narrow turning zone for fast results, along with a pinch stop reducing the risk of crushed fingers. Durable and resilient due to the robust box joint, and suitable for gripping, tightening and loosening screws with troublesome worn heads, and threads. Specification Capacity Pipes/Nuts & Oslash 4-22mm. (5/32-7/8in).