Martindale SDDR3B

<p><strong>Martindale, SDDR3B, Sanding Drum 3" Diameter, 3" Width, 3000 Max. R.P.M. </strong> </p> <p>These drums have 1/4" diameter shanks. The core-expanding nut on the SH drum is on the shank side and there are no projections on the opposite end. </p>