Compactools' Vibrator Poker Air bubbles in wet concrete are detrimental to the strength of concrete. It is necessary to remove them from the concrete before the mixture hardens. Our vibratory poker CVP is designed to effectively performed to expel the entrapped voids and compact the concrete. Based on pendulum motion, the high rotation of drive unit transmits as high as 12,000 vibrations per minute into the poker head through the flexible shaft, ensures maximum compaction for the best possible finish. It can be driven by three types of unit: petrol or diesel engine drive unit or electric motor. Model type: CVP32 CVP38 CVP45 CVP50 CVP60 Vibrator head length: 470mm Vibrating frequency: 230 - 200hz Rotating of flexible shaft: 3000 - 3600rpm Standard length of flexible hose: 6m 80 x 66 x 6cm