pMorse Carbide Burr, Long Shank, Series 5970, 516 in Head Dia, 34 in Length of Cut, 634 in Overall Length, Flame Shape SH Head Shape, Double Cut Type, 14 in Shank Dia, 6 in Shank Length, Solid Carbide Head, Bright Head Coating, 45 deg included Angle, 38000 rpm Maximum, Applicable Materials Brass, Cast Iron and Copper, SH2L6 industry Specificationp.