Carbide Bur Set, Aluminum Cut, Shank Dia. 1/4 in, Number of Pieces 10, Trade Number SA-3NF, SA-5NF, SD-3NF, SD-5NF, SE-3NF, SE-5NF, SF-3NF, SF-5NF, SL-3NF, SL-4NF, Abrading Application Deburring, Coating Bright (Uncoated), Head Dia. 3/8 in, 1/2 in