CZ134, for 134 piece set. Combination index, holds 134 drills: 29 fractional, #80 wire gauge and 25 metric; 1/16" to 1/2" by 64ths #1 to #80 wire gauge, 1.0mm to 13.0mm by 0.5mm. Each storage hole is precisely sized for accurate, quick tool selection. Corrosion-resistant, epoxy baked-on coating. Secure, snap-lock steel cover. Rugged, heavy gauge all–steel case.