Listings include both 3‑digit and 4‑digit combination locks. Some models use preset dials, others let you set your own 3‑digit code, and certain options offer resettable 4‑digit combos for a larger number of possible codes.
School and locker locks are sold both as single padlocks and in small multi‑packs. Common pack sizes shown in listings include single units, 2‑packs, and 4‑packs.
Product listings commonly cite use on school and gym lockers. They also note applicability for backpacks, cabinets, storage lockers, gates, file cabinets, and outdoor sheds or fences.
Many listings indicate a Limited Lifetime Warranty or Lifetime Limited Warranty. Warranty language and coverage can vary by product, so check the specific product details for exact terms.
Common mechanisms include pin‑tumbler key cylinders and preset or resettable combination dials. Anti‑tamper features noted in listings include anti‑shim technology and dual/double locking lever designs to resist picking and prying.
Options include colored bodies or dials for easy identification, numbered hooks and key tags in key boxes, and labeling or color‑coding for organization. Some combination locks also list readable code markings or bordered code lines to aid use.