Do-It Do-It Master Lock 40mm Metal Re-Settable Combination Padlock No. 604D Brass padlock, 40mm, 4 digit with re-settable combination. Set Your Own Combination Padlock features a 40mm wide solid metal body for durability. Features: - Best for backpacks, duffle bags, sports bags, briefcases, vans, computer bags, cabinets, tackle boxes, lockers. - The 5mm diameter shackle is 30mm long and made of nickel plated steel, offering resistance to cutting and sawing. - The 4 dial combination security offers keyless convenience. - Limited Lifetime Warranty.