10mm 4-flute end mill cutter material: HSS P6M5K5 5% Co Coating: TiN End: Flat 4-flutes Overall length: 72.5mm Arbor diameter: 10mm Arbor length: 45mm Weight: ~39gr 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. Much better than HSS cutters. Holds its strength without coating. Can be resharpened many times. For slotting and side milling. Non centecutting, like plunge milling or drilling operations. 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.