Premium Anainstr Professional Violin Bow with Pernambuco Wood - Handmade with Traditional CraftsmanshipCondition New Abrasive Shank Size 1 4" Abrasive Type Coated Diameter 3" Item Flap Wheels Mounted Flap Wheel Item Mounted Flap Wheel Max. RPM 20,000 Shank Type Threaded Package Quantity 1 Abrasive Grade Coarse MPN 63642502659 Abrasive Material Aluminum Oxide Face Width 1 2" Brand NORTON Abrasive Grit 80 Product Description Product appearance: 80% 99% New Functional test: Normal We have 8 units of anainstr. Pictures shown are for reference; we ship