KCzJ400 Flip Type Full Hydraulic Bucking Unit is important for make-up, break-out and maintenance of drilling tools and motors in either the workshop or drill sites. KCzJ400 Flip Type Hydraulic Make/Break Unit is designed and manufactured to cater to the needs of both China and overseas rig operators in the petroleum industry. The unique feature of this unit is in the design of the Tailstock Clamping Cylinders. The tailstock clamping cylinders have adjustable tongs which can be flipped open from the top. During operation the adjustable tongs allow easy loading and unloading of tools. The tools can be directly placed within the clamps from the top and this enables the unit to handle and clamp tools of bigger diameter compared to the clamp's local diameter.