Concrete VibratorEngine: RB20-AVibration head: (Dia.) 28, 32, 38, 45, 50 or 60 x (L) 470mmVibration: 9,800 to 12,000VPM Starting system: recoil starterShaft rotate speed: 3,000rpm Amplitude: 0.8, 0.9, 1.2, 1.3, 1.6 or 2.0mmFlexible shaft length: 6mPacking size:Body: (L) 520 x (W) 380 x (H)...