AME OTR 5 Piece Rim Bead Breaker • Clamps to Wheel Mechanically • Hydraulic Ram Assembly is Used to Break The Bead • Designed for Use on 5 Piece Wheels Which Do Not Have Bead Loosening Pockets • 10" Stroke • Includes 6 Curved Wedges Used to Prevent Tire From Re-Seating • Used With 10000 PSI (700 Bar) Air/ Hydraulic Pump or Hand Operated Hydraulic Pump • Weight 52 Lbs