Description100pcs 1\/2 inch Sanding Sandpaper Sleeves with 2 Mandrels<br>SpecificationsMaterial: CarborundumMandrel Diameter: 3mmShank Length: (approx.) 25mmSleeve Width:(approx.) 13mmSleeve Diameter: 12mmFunction: for polishingUsage: Fix it on electric mill metal grinding head<br>Package included100 x Sandpaper Sleeves2 x Mandrels