3M Unitized Wheel Mandrel 990, 1-3/4 in x 1/4 in x 1 in, 15012, 5 per case
Use with high speed or easy loading Unitized Wheels 2 - 3 in diameter x 1/8 - 1/2 in wide x 3/8 in CH. This mandrel comes with one silver cap for 1/8 in and 1/4 in wide wheels and one black cap for 3/8 in and 1/2 in wide wheels.
Maximum Operating Speeds: 25,100 with a 2 inch diameter wheel, 22,100 with a 2 1/2 inch diameter wheel, and 18,100 with a 3 inch diameter wheel
UPC Number 00048011150123
MFG Number 61500073343