The brush-backed abrasive strips are 1" wide by 11" long and wrap inside the wheel body. It weighs only 9.5 oz, has a 4" dia. plastic body and a 1/4" shaft, and includes one 80x scored strip. Operating speeds are 1700 to 2400 rpm.
Scored refills are best for curved surfaces, unscored for flat surfaces.
The Unscored Refills are discontinued. Limited stock.
The 120x unscored refill is no longer available.