29pc Huot Drill Bit Index Storage Case Model number EDP 10550, No. 29 jobbers drills 1/16" to 1/2" by 64ths. Compact space saver, durable all steel construction eliminates lost drill bits. Indexed raised lettering, sizes won't rub off. Economical, quickly pays for itself in time saved. Index measurements are fractional and decimal equivalents, a convenient time saver.