Holds up to 5 standard house keys. Aluminium, weather resistant 4-digit Combination Key Safe. Shackle works like a padlock. Secure shackle to anchor point, place keys inside and lock with combination. Suitable for indoor or outdoor use. Specifications: H x D x W: 160 x 35 x 91mm. Shackle dia.: 10mm. Weight 0.5kg.