Home » Premium 8 Pc Carbide Burr Set Premium 8 Pc Carbide Burr Set Specifications Cyl: 1/2" Dia x 1"L, 3/8" Dia x 3/4"L, 3/8" Dia x 3/4" L, 1/4" Dia x 5/8" L Round Ball: 3/8" Dia & 1/4" Dia Round Tree: 1/2" Dia x 1" L Tapered Cone: 3/8" Dia x 3/4"L Item Number: TAR60730