Hole Adapter bushing - Roper-Craftsman - Ingersoll RM38, RM42, RM44, RM48 - Double "D" style (7/8" wide x 1-1/4" diameter).
Blade hole adapters are for lawn mower blades that do not have a circular hole, these adapters allow you to mount these blades to a MAG-1000 Series Blade Balancer.
