Two Hole Pins, 5 8 in 3 in, Extra Large Threaded ORS NASCO with no slipping or stripping Provides with no slipping or stripping Provides maximum torque without requiring heavy input pressure jaw mechanism naturally grips tighter as more torque is applied to the tool Classic trigger release provides maximum locking force Curved jaw puts tremendous pressure on four points of any style nut or bolt head Engineered to perform better than rubber or plastic face hammers Hammer faces are abrasion and impact resistant Designed to withstand severe striking applications and are surface protective Machined from hardened steel for durability and longevity Utilize fast double lead threads instead of ACME threads for a more reliable hold over time Lightweight