Neiko Tools 8-Piece Double Cut Carbide Rotary Burr Set
Durable double cut carbide rotary burr set with 1/4-inch shank size, fits dremel and all brand grinders.  Package comes with 8 pieces of carbide rotary burrs.Specification - Cylindrical: 1/2-inch (diameter) x 1-inch (length), 3/8-inch (diameter) x 3/4-inch (length), 3/8-inch (diameter) x 3/4-inch (length round), 1/4-inch (diameter) x 5/8-inch (length round).  Ball: 3/8-inch & 1/4-inch in diameter.  Round tree: 1/2-inch (diameter) x 1-inch (length), 3/8-inch (diameter) x 3/4-inch (length).  ABS latched storage case included.