Features 1、Good Finish: The drum sander adopts a self expanding rubber pad to make the sleeve firmly close to the drum sander to achieve a better finish. 2、Applicable Scene: This professional and practical grinding kit is suitable for electric grinder and handheld grinding machines. 3、Sturdy Durable: Made of high quality materials, the sanding kit is sturdy, durable, not easily damaged, and has a long service life. 4、Wide Uses: Wide range of uses, this kit can be used for polishing and grinding metal and wood, glass, agate, etc. 5、Sanding Effect: The grinding wheel will adsorb faster on the metal surfaces, please replace the sleeve in time to achieve a better sanding effect. Specification Item Type: Sanding Drum Set Material: Emery, Rubber Purpose: Grinding Head Sanding Drum Sleeve Inner Diameter of Sanding Drum Sleeve: 1/2in (40pcs), 3/8in (40pcs), 1/4in (40pcs) Drum Sander Diameter: 1/2in (4pcs), 3/8in (4pcs), 1/4in (4pcs) Drum Sander Handle Diameter: 1/8in Package List 120 x Sanding Drum Sleeves 12 x Drum Sanders