Premium Quality – #3 Round Carbide HP Length Bur (1.2 mm head size), HP Shank used with Straight Handpieces (44.5 mm), ROUND.
Long lasting carbide cutting flutes for engraving glass, metal, wood and more.
For use in Electric Micro Motors such as the RotoScribe50, NSK Espert, NSK Evolution and more.
HP Size Shank of 44.5mm is equivalent to 3/32″ diameter. For use in all HP Style handpieces with 3/32″ chuck.