Combination lock 78


Protect possessions with ease with the combo lock 78 with secure system, perfect for low-risk environments like school lockers.

  • WARNING:  Cancer and Reproductive Harm -
All variants for 78
Colors for 78

The combination lock 78 has a high-quality, safe locking mechanism.

Ensure the Security of Your Belongings: Discover our Combination Lock 78 with secure locking system, perfect for locations like school and gym lockers. The sturdy hardened steel shackle can be locked and unlocked using a unique three-digit code. A specialized electrochemical housing coating ensures exceptional corrosion protection. Opt for the 78KC version to enjoy an integrated master key function, allowing a designated individual to operate multiple locks with a single master key.


  • Shackle made from hardened steel
  • 78KC: Master key opens more than 2 000 individual combinations (master key function by cylinder on the back of the lock)
  • High protection against manipulation
  • KTL-coating (black) for better corrosion protection

Use and application

  • To secure valuables/goods of lesser value or at a low risk of theft
  • Handy operation without key, e.g. lockers, cupboards, etc. in schools, companies, etc.


  • Size: 50 mm, 78KC/50 (Key Control)


General downloads:

Locking type: number combination
color: black-silver
Width a: 1 57/64 inch
Vertical clearance c: 27/32 inch
Depth e: 1 19/64 inch
Weight [lbs]: 0.35 lbs
Security Level Home Security: 3
Structure: Technical drawing
Technical drawing
Security card: No
color of facets: silver
Horizontal clearance b: 53/64 inch
Shackle diameter d: 9/32 inch
Height f: 2 61/64 inch
Keyed alike: Yes
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