The KNIPEX 10 in. Auto Adjusting Pliers are ideal for frequent changeovers to workpieces of different sizes. The 1-handed automatic adjustment is perfect for right-handed and left-handed use. Good access to the workpiece thanks to the slim dimensions in the head and joint area and flush joint bolt. Self-locking on pipes up to 1-14/ in. and 1-3/8 in. nuts with no slipping on the workpiece and low hand force required. Gripping surfaces with special hardened teeth, teeth hardness approximately 61 HRC provide low wear and reliable gripping. The box-joint design provides high stability because of double guide. Pinch guard prevents operator's fingers being pinched. Locking lever for space saving transport with reliable closed handles. Made of chrome vanadium electric steel, forged, oil-hardened.