JET SAND RAMMERS ARE AVAILABLE IN BENCH AND FLOOR MODELS. THE BENCH MODELS DELIVER FAST POWERFUL BLOWS FOR RAMMING SMALL MEDIUM AND LARGE FORMS. THE FLOOR MODELS DELIVER MAXIMUM POWER WITH SLOW POWERFUL BLOWS THAT EFFICIENTLY AND QUICKLY COMPACT ALL TYPES OF BACKFILL. EACH MODEL IS ERGONOMICALLY DESIGNED PROVIDING GREATER EASE OF HANDLING WITH REDUCED OPERATOR FATIGUE FRONT END SEAL PROTECTS THE PISTON FROM EXCESSIVE DIRT AND DEBRIS EXTENDING TOOL LIFE FAST POWERFUL BLOWS FOR COMPACTING SMALL MEDIUM AND LARGE SAND MOLDS HEAVY-DUTY INDUSTRY PROVEN VALVE DESIGN ALL STEEL CYLINDER HOUSING FOR INCREASED DURABILITY FRONT END SEAL PROTECTS THE PISTON FROM EXCESSIVE DIRT AND DEBRIS EXTENDING TOOL LIFE FAST POWERFUL BLOWS FOR COMPACTING SMALL MEDIUM AND LARGE SAND MOLDS HEAVY-DUTY INDUSTRY PROVEN VALVE DESIGN ALL STEEL CYLINDER HOUSING FOR INCREASED DURABILITY WARNING: This product can expose you to chemicals including lead which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65warnings.ca.gov -