RebarTech Tire Changer Base for Tire Changing Machine, Rolling Plate, Tire Support Platform, Tyre Roller, Tyre Repair Shop Accessory number:2 pcs ( for US and Canada ) The cone allows wheel balancers

The cone allows wheel balancers compatiable with more tires of SUV

And features a protective ring to keep hands from sliding

A built-in pressure-relief valve limits inflation pressure

40MM refers to: measure the outer diameter of the screw rod of the machine

RebarTech Tire Changer Base for Tire Changing Machine, Rolling Plate, Tire Support Platform, Tyre Roller, Tyre Repair Shop Accessory number:2 pcs ( for US and Canada ) The cone allows wheel balancersSuitable for most tire changing machines, making tire changing more labor saving and efficient. Constructed from high strength cast iron and high strength nylon. We also provide other tire changer accessories as RebarTech