Jinlong concrete shaft comsist of vibrator head, race, roller,socket pipe, retaineer, oil seal, big clearance bearing, flexibal shaft joint, flexible hose joint, cone cover, flexible shaft and hose, the length of flexible shaft can be adjusted base on your demand, generally is 4-8metres. Shaft is made of strengthened flex hose, intensity of tension tensile strength for rubber: 10Mpa, it is hard to break up, make the shaft can use longer than other silimar product.