2.125-5.750" (53.98-146.05mm).
For 1" arbor
Hubless Rotors & Drums through 1 Ton Vehicles.
Includes:
940924 Backing Plate, (4.7" diameter)
940924 Backing Plate, (5" diameter)
941202 Backing Plate, (6.2" diameter)
940923 Backing Plate, (7.2" diameter)
Use With #3101 and 4101 Arbor
Standard With Models 2002, 3000, 3850, 3860, 4000, 4100, 7000, 7500, 7700