2 Piece Extra Large Truck Collet / Cone & Backing Spacer Set for 28mm Shaft Wheel Balancers NOTE: THIS IS FOR A 28MM SHAFT. PLEASE DOUBLE CHECK THE SIZE OF YOUR BALANCER SHAFT BEFORE ORDERING SO YOU GET THE CORRECT SIZE. A great cone for balancing light truck wheels (up to 1-ton). --- DUAL SIDED: Range Collet Side = 6.0" - 6.8" / Range Cone Side = 4.72" - 6.0" ---Spacer Size: 7.5" Wide x 2" Deep ---MADE IN USA! Fits all of the following wheel balancer models with a 28mm shaft. ---Accuturn: 5100, 5223, 5500, 5600 (Serial #51-0001 To 51-0622) ---Coats: 700, 800, 825, 850, 925, 950, 1000.