[Quality]: The drum drill bit is made of rubber particles and stainless steel, while the sander sleeve abrasive is made of aluminum, which is more precise, durable, and effective.

[Range]: Expanding drums are 2.5-inch (64 mm) long with 1/2-inch, 3/4-inch, 1-inch, and 1-1/2-inch (12.7 mm, 19 mm, 25.4mm, and 38 mm) diameters, Sleeves have Coarse 80 and Fine 120 sandpaper grits.

[Application]: Complete with assorted-sized drums with sleeves, matching arbors, and spindles ideal for polishing both soft and hard materials, woods, plastics, and metals, and multi-purpose enough to suit your needs for general purpose, DIY, or professional woodworking projects.

[Function]: This sanding drum for the drill press kit is equipped with drill sanding attachment bits that contain 1" long steel shanks that will fit your 1/4-inch tools or drill press. Perfect for sanding holes, contours, and irregular shapes as well as smoothing out rough edges and high-precision cutting.

[Packing detail]: (20 Piece) Drill Press Sanding Drum Kit with (4) long sanding barrel arbor drums with three of ¼" size and one of 1/8" size sander bit attachments, (16) total different sized sanding bands, and a convenient molded carrying case.