Air Backfill Tamper Hole Diameter 5 3/4 in Piston Bore Size 1 5/8 in Piston Stroke Length 4 in Maximum Blows per Minute 1 550 bpm Butt Diameter 5 3/4 in Tool Weight 35 lb Air Inlet Gender Female Air Inlet Size NPT Air Consumption 29 cfm Air Inlet Type 3/8 in NPT Female Duty Heavy Handle Type Straight Minimum Hose Size 1/2 in Primary Material Application Concrete Product Type Backfill Tamper Series 341A2M Series Sound Level 91.9 dBA Standards ISO 15744 ISO 28927
