ABUS Standard Size Aluminum Padlocks - 6-Pin Cylinder, 1.5 in. Shackle Clearance, Keyed Different Aluminum Padlocks are the lightest-weight aluminum locks on the market and made from recycled material. Standard-size lock body measures 1.6 in. H x 1.5 in. W x 0.75 in. D Bright, anodized aluminum finish provides greater visibility and fade-resistance in all environments Reserved, paracentric keyway provides optimal security (prevents someone from getting a copy made at a local key shop) Each padlock is keyed differently with keys precision-machined to exacting standards, so that the key for one lock will not open another in the set