Model Number: S-HCZ-328 Brand Name: OEM Key Specifications/Special Features: FeaturesThe spring device of chuck is madeof precision cast steel,locking the spring with two pointsfirmly and safelySpring device of chuck made of precisive cast steel, locking spring from 2 location firmly and safelyEspecially designed circular disc to lock spring firml and move up and down quickly, time-and-labor saving in operationAdjustable to apply for different types of carsFixed spring clip, more safer Technical Specification Max.travel path 400mm Min.height 700mm Max.height 1100mm Packing Information Packing Material Plywood Net Weight 40.00kg Packing size (LxWxH) in plywood 400mm x 500mm x 1400mm