• One of a comprehensive range of Premier Hand Tools, suitable for daily professional use. • Heat treated Chrome Molybdenum and Chrome Vanadium steel construction with a nickel-plated smooth satin finish. • Deeply serrated and hardened teeth grip the workpiece from any angle. • Riveted handle construction provides extra rigidity and reduces deformation when grip is under load. • Spring loaded locking mechanism prevents nipping fingertips when releasing. • Heavily knurled adjustment screw for extra grip with greasy fingers. • Lifetime guarantee*.