TorqueConquorer VTC42500 PECIFICATIONS: Range:     Main Tong:  Tubing Sizes: 2-3/8”,  2-7/8”, 3-1/2”;      Back-up Tong: Tubing Coupling Sizes: 2.36” to 4.5” Rated low gear torque:  2580 ft.lbs,  High Gear speed: 20 RPM;   Rated high gear torque:   810 ft.lbs,    High Gear speed: 80 RPM Dimension of opening: Main Tongs: 4”, Back-up Tong: 4.75”; Travel mass: Main Tong: 240lbs, Back-up Tong: 106lbs Rated system pressure: 1450psi;  Max. oil supply: 26.6 gpm Overall Dimensions: L×W×H:25.6″×16.9″×21.6″ (650×430×550mm) FEATURES: · Open Face Style, Compact in Size, Low Noise, Ideal for Workover Operation · Synchronized Movement of Main Tongs and Back-Up Tongs, · Curved  Track  Internal Roller Movement Provides Safety and Reliability · Steering Mechanism on Top of Tong Heads Providing Easy Access and Convenience for Maintenance · Overload Protection System Built-in · Spring / Hydraulic Hanger System Allows Convenient Adjustment of the Unit to Suit Operation Requirement · Automatic Torque Control System Available to Pre-set Torque Value. · Optional Torque-Matics Computerized Recorder /Alarm Systems ( Sold as optional item)