TorqueConqueror VTC54000 Power Tongs SPECIFICATIONS: Range:      Main Tong:   2-7/8”,  3-1/2”, 4-1/2”    Back-up Tong:        3-1/2” to 5.57” Rated low gear torque:   4428ft.lbs,  Top speed: 20 RPM  Rated high gear torque: 1107ft.lbs,  Top speed: 80 RPM Dimension of opening:  Main Tongs: 4.72”, Back-up Tong: 5-3/8”, Travel mass: Main Tong: 396bs, Back-up Tong: 195lbs Rated system pressure: 1590psi,  Max. oil supply: 26 gpm Overall Dimensions: L×W×H:35.4″×21.7″×26.8″ (900×550×680mm) 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)