10Pcs 16mm Mounted Grinding Stones, Cone Shape Aluminum Oxide Polishing Abrasive Mounted Points with 1/4″ Round Shank for Electric Rotary Tools Die Grinder. [MATERIALS]: The grinding head of the mounted grinding stones is made of premium aluminum oxide, which has high hardness toughness, and good stability, durable and wear resistance.
Item Tag: dophee
【SIZE】The sizes of sanding drum sleeves is 12.5mm x 3.17mm, grit (sanding drum): 80#, rotary sanding drum mandrels size is 12.5mm x 13mm. 【EASY INSTALLATION】Just need to slide the sanding drums into the drum sander, ensure the drum have been screwed tightly, the drum mandrels with self-expanding rubber cushion, which make the sanding bands close to the manderl firmly and acheive better finishing.