To secure valuables at a low risk of theft, for example lockers in schools and gyms, we recommend our combination lock 78 with safe locking system. The hardened steel shackle can be locked and unlocked with an individual, three-digit numerical code. The housing is coated in a special electrochemical process to achieve a high level of corrosion protection. Shackle made from hardened steel High protection against manipulation KTL-coating (black) for better corrosion protection