Specification :

B77C, RB777, RB777C, B87C, G20, G10, B90, B67C, B47, TCA-7 are also sold by my company.

My company has product patent right for this model RB777C.
Instruction
RB777C Tamping Rammer is Used to compact the gravel backfilled in the highway construction, the basic soil on roads of the municipal planning , airports, ports, railway stations, and the base backfilled surrounding the sewers and the underground electrical pipelines, gas pipelines .
Specification
Overall length 900 mm
Weight 51kg
Cylinder Dia. 57mm
Rammer Stroke 189mm
Air pressure 0.63 Mpa
Impact frequency 18.3 Hz
Air consumption 34L/ S
Air inner Dia. 19mm
Oil Capacity 30ml