CB-SET-03 | Holemaker 3pc Carbide Burr Set-3/8in Headx1/4in DC • Double cut geometry for cutting ferrous metals • Premium industrial quality carbide burrs 3/8 inch 3 Piece Set: 1x CB-SB3 3/8in Cylindrical End Cut Double Cut 1x CB-SC3 3/8in Cylindrical Radius End Double Cut 1x CB-SF3 3/8in Tree Shape Radius End Double Cut