The original set of rollers and guide tubes for the KEMPPI wire feeding mechanism. Under the steel wire 0.8-0.9 mm. The roller has a V-shaped groove. SPECIFICATIONS ITEM F000322 THE DIAMETER OF THE WIRE, MM 0,8 - 0,9 mm WIRE TYPE Steel Set of rollers and guide tubes for KEMPPI wire feeding mechanism. Replacement consumables of high quality. Produced from materials complying with European and Russian standards. When choosing guide rollers you should consider: - The diameter of the welding wire. The roller must match the thickness of the wire. - The material of welding wire. Depending on the material of the wire depends on the shape of the groove of the roller. V-shaped for solid steel wire, U-shaped for aluminum wire, with notched cored wire.