This Set Of 12 Pre-mounted Sanding Drums Will Provide You With Enough Sanding Power To Complete Many Jobs. Each Drum Is 1/2" X 1/2", And Is Pre-mounted On A 1/8" Shank. These Drums Are Of A Medium Grit Sandpaper, To Give You A Smooth Finish. Each Unit Includes: Shank, Mandrel, Screw, 2 Washers And Sanding Drum. Everything You Need. Just Add The Rotary Tool. (available Seperately)

* 12 Units In Package

* Drum Is 1/2" X 1/2"

* Medium Grit

* Pre-mounted

* 1/8" Shanks