VISE GRIP® The Original™ Curved Jaw Locking Plier, 7 in, Opens to 1 1 2 in ORS NASCO or burn and has a or burn and has a high tensile strength Contains pressure sensitive thermosetting rubber resin adhesive which performs as Class B temperature (266ºF 130ºC) Provides hear stable insulation for hot spot applications D3 rating for splash protection Protective eyewear should be worn under face shields at all times Meets ANSI Z87 making it perfect for any application that requires maximum torque Constructed of high grade heat treated alloy steel for maximum toughness and durability 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