Square Blade Imitation Stainless Steel Padlock, Specification: Short 50mm Not Open 1. Material: imitation stainless steel 2. Scope of application: door, room door, cabinet, etc. 3. Features: double water leakage holes, prevent water accumulation in rainy days, effectively prevent rust in the lock, thick lock body, strong and firm, strong anti-theft, edge arc design, fine polishing, comfortable touch and no hurting hands 4. Description: open one lock with one key, and not open one lock with 4 keys 5. Weight: about 70gpiece for 30mm shorter, 140piece for shorter 40mm, 221gpiece for shorter 50mm, 293gpiece for shorter 60mm, 381gpiece for shorter 70mm, 30mm long Approximately 77 gpiece for the, 40mm long approximately 152gpiece, 50mm long approximately 237gpiece, 60mm long approximately 320gpiece, 70mm long approximately 411gpiece 6. Dimensions: about 5x3 cm for a short 30mm, about 5.5x4 cm for a short 40mm, about 7.5x5 cm for a short 50mm, about 8.4x6 cm for a short 60mm, about 9.5x7 cm for a short 70mm, and about 6.7x3 cm for a 30mm long , About 8.7x4 cm with a length of 40mm, about 8.6x5 cm with a length of 50mm, about 10.9x6 cm with a length of 60mm, and about 12x7 cm with a length of 70mm