High frequency concrete vibrator YFA-High Frequency motor-in-head intarnal vibrator with an integrated,compact electric inverter in the switch housing.Easy operation:plugs directly into a standard wall socket,high performance with maximum speed in the poker’s head(12,000rpm). It is portable and has strong shake ability. On the other hand, it is long life-span, free of mainteance and easy to control. It is a renewed product of traditional concrete vibrator. It is minitype electro-mechanical unified tool of delicate. Model:YFA-54 Electric motor voltage(v)220 power(kw)0.6 rotational speed(rpm) 12800 Flexible hose dia(mm)30 length(m)0.5-38 Vibrator head dia(mm)54