NEW TECHNIKS PRECISION 1.0 END MILL HOLDER. HIGH PRECISION BORE (H5) IS BEST IN INDUSTRY. BALANCED TO 10,000 RPM TO SAVE BEARING LIFE. TAPER GROUND TO AT3 FOR MAXIMUM SPINDLE CONTACT. TECHNIKS CERTIFIED FOR BORE AND TAPER TOLERANCES. This item is in the category "Business & Industrial\CNC, Metalworking & Manufacturing\Workholding & Toolholding\Toolholding\Adapters & Holders\Rotary Tool Adapters & Holders". The seller is "hemlytool" and is located in this country: US. This item can be shipped worldwide.