Application:bicycles, motorcycles ,sports equipment, garage, farm, fence, tool boxes, electric cars, handcart,Shop,Glass door,And various security applications.Product name: chain lockProduct material: alloy steelProduct weight: about 1000gApplicable places: suitable for bicycles, skateboards, sports equipment, garages, fences, toolboxes, trolleys, etc.prompt:1. Please check the size and color before buying.2. Products other than the chain lock key are not included in the product photos.3. Please note that due to different monitors, slight color difference may occur, please understand.4. Due to some errors in manual measurement, please refer to the actual product, thank you.5. If you find any problems with our products, please feel free to contact us via email, we will solve the problems as soon as possible.6. Welcome your sharing and feedback, so that we can provide you with better products and services.