End mill 3mm diamond abrasive ceramics glass cutter tool hollow 2pcs lot material: diamond abrasive tool End: Flat hollow Overall length: 36.0mm Arbor diameter: 2.5mm/1.5mm Arbor length: 7mm Weight: ~3gr High quality and strength. 2pcs lot Handle with care, use best with cutting fluid. If you watch the tempeture rise, the cutter will last much longer. For slotting,side milling and drilling. Items are as shown in photos.Items are in perfect condition, never used. Each item is in special protecting oily paper. Returns of item accepted. We send this by post, delivery time depends on location.