Grizzly H5543 Deluxe Roundover Inserts, 6-Piece 1/4-Inch Shank; 1/8-Inch 3/16-Inch 1/4-Inch 5/16-Inch 3/8-Inch and 1/2-Inch bits 1/8-Inchr 3/16-Inchr 1/4-Inchr 5/16-Inchr 3/8-Inchr and 1/2-Inchr bits Anti-kickback double fluted bits Each bit has a 3/8-Inch guide bearing Includes latching wooden case