Disc Pad Hub 88743, 2-1/2 in, 5/8 in – 11 Arbor 3M™ 7000120459 Plastic; Metal
3M™ Disc Pad Hub 88743 Threaded metal insert fits onto standard rotary sander or right angle grinder. Hub holds fiber disc face plates of all densities. . . Pack of 1.
Disc Pad Hub 88743, 2-1/2 in, 5/8 in – 11 Arbor 3M Plastic Metal
brand new comes with 2 of these