3M Standard Abrasives Unitized Mandrel 850031 1 3/4 in x 1/4 in x 1 in 1 per bag 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.