Wheel Balancer Extra Large Truck Cone for F450 & F550 Trucks. Cone Size: 6" - 7" - Perfect Fit for F450 & F550 Wheels. Fits all of the following wheel balancer models with a 40mm shaft：. Coats: (Peviously Upgraded to 40mm Shafts) 700, 800, 825, 850, 925, 950, 1000, 1025, 1050, 1055, 1250, IBS 2000 (Shaft Must Be Verified 40mm), 1750, 1800, 1850, 775, 875, 1175, 6275HS, XR Balancers.