Stores and organizes 126 accessories with a universal fit for all size shanks including 1/16", 3/32", 1/8", and 1/4". Measures 7" wide by 4" high (178mm x 102mm) and holds 69-3/32" or 1/8" burs in 2-step holes, 12-1/4" burs, and 45-1/6" burs. Burs not included.