Features: 1) The guide handle offers a highly engineered, built-in shock mount system to reduce HAV (hand-arm vibration) and improve operator's comfort 2) Well balanced performance reduces operators' effort; non key seat design doubles service life of inner-cylinder body 3) Easy for dismounting and low cost for maintenance Specifications: 1) Model: HCR80K ,HCR80 2) Weight: 80kg 3) Hit frequency: 420 - 650/min 4) Compacting force: 16,000N 5) Jump height: 50 - 60mm 6) Forward speed: 12m/min 7) Power: 4hp/3,600rpm Honda Packing: Wooden case