Mechanics’ pliers, high-strength jaws and tips bend and snap back into place easily- no deformation. Cross-hatched gripping surfaces, knurled. Vanadium electric steel; forged, oil-hardened. Product Features High-strength jaws and tips bend and snap back into place easily-no deformation. Cross-hatched gripping surfaces, knurled. Vanadium electric steel; forged, oil-hardened.