Zona 37-870 Bur Holder, Rotary, for 13 1/4-Inch, 92 1/8-Inch Shank Burs and a 3-Inch Deep x 2-3/4-Inch Diameter Cup Organizes up to 112 burs Stores: 92-1/8 shank and 13- 1/4 shank burs Has 7 marked holes for drill bits 1/16- 5/32