HIGH QUALITY TUNGSTEN CARBIDE ROTARY BURR SET 6MM SHANK HIGH QUALITY EXTRA LONG SHANK ROTARY BURR SET IDEAL FOR DIY AND PROFESSIONAL USE 6MMX 158-176MM LONG SHANKS SET INCLUDES:CYLINDER END:10MM, 12MMÂ ROUND NOSE: 6MM, 10MM BALL END: 10MM TREE HEAD, 10MM, 12MM CASE QUANTITY 30 INNER QUANTITY 15