Weatherproof Material: CINCINNO heavy duty pad lock is fully wrapped waterproof plastic coating which make the locks better for outdoor use. Compared to other similar locks, our padlocks are designed with the plastic cap at the top of lock body to avoid water accumulation. Heavy Duty Construction: Keyed alike padlocks are made with premium steel which can protect them against rust and corrosion caused by rain, snow, and inclement weather. The silicone material of the ring make the lock more waterproof and durable. High Security: Keyed alike padlock is designed with 4-pin cylinder and dual locking lever construction provides excellent pry and cut resistance. Widely Application: CINCINNO weatherproof Padlocks for outdoor and indoor use. It's best used for sheds, storage unit, gate, fence, toolbox, locker and more. Padlock Set: 6 pack keyed alike padlocks with 12 keys. Specification: 1-9/16in (40mm) lock body; 1.18in (30mm) length shackle., Weight: 2.6235009178 pounds, Manufacturer: CINCINNO