60mm Household Anti-theft Rust-proof and Waterproof Pure Copper Core Round Padlock

1. Pure copper lock core, hardened lock beam2. Can be used outdoors, not afraid of rain3. High safety performance, good anti-theft effect4. Anti-theft and anti-pry, resistant to 5-ton hydraulic clamps, sturdy and durable5. Material: stainless steel6. Product size: 60 x 60 x 21mm, 68 x 68 x 21mm, 79 x 79 x 22mm, 87 x 87 x 22mm7. Weight (including key): about 151 grams, about 184 grams, about 250 grams, about 298 gramsPrecautions:1. The key cannot be pulled out when it is open, and can only be pulled out when it is completely locked2. The key must be inserted vertically and turned clockwise to the bottom to unlock. Do not force the lock to unlock before the key is inserted to the bottom of the lock, which will cause the key to be stuck in the lock core and cannot be pulled out or the key to be twisted off