Gives Polishing Wheels Proper Support; Fit To Any Size Shaft
ARBOR ADAPTERS convert polishing or grinding wheels with 1" arbor opening to fit smaller motor shafts. SHAFT FLANGES give polishing wheels extra side support; provide a bearing surface for the shaft nut so you can lock the wheel down tight.
Big Book Catalog, Issue:50, Page:172
SPECS: Arbor Adapters - industrial polyresin. 1" (2.5cm) O.D.,
1" long. May be shortened. Shaft Flanges - plated steel. 2-1/2"
(6.3cm) O.D. 1" (2.5cm) I.D., 1/8" (3.2mm) thick.