Got an older Coats 28mm shaft wheel balancer with old worn out cones and wing nut? Now you can upgrade to the stronger industry standard 40mm shaft setup. Shaft uses the same 8mm thread pitch as Hunter balancers. Comes with the coupler. Converts Coats Balancers: 700, 800, 825, 850, 925, 950, 1000. 1025, 1050 And 1250. Interchange Part Numbers: 113082, 8113082, TMRWB113082