[Material] The ball buckle is made of cold-rolled steel and zinc alloy, which is durable. Item: Door stop retainer. [Easy to install] The double-d lock is easy to install and use. [Overall size] In the natural state, the internal space size is 13mm/0.51 inch, and the internal diameter is 17.5mm/0.68. [Wide use] With double ball function, it can be installed in cabinets, cabinets, drawers, doors, etc. Material: zinc alloy Color: as shown Package Contents: 1 x Door Easy Lock(Mp-4) / 1 x Door Easy Lock(Mp-3) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!