Features: brand new and high quality Package contains: 5 stud spring hooks (3.5inch/4.5inch). The stud snap has an easy-to-use one-hand trigger that can move freely and smoothly, and can be opened/closed easily. These bolt spring hooks are made of high-quality stainless steel, strong and durable, and can remain for tough in any application. Excellent performance: The double-head design makes the bolt snap more versatile. Spring-loaded bolts provide a safe closing and easy-to-open thumb lever. Multifunctional: Designed for ropes, chains, leashes, pet leashes and many other various uses. Specifications: Material: Stainless Steel Weight: 300g/480g Length: 90mm/3.54inch 115mm/4.52 Package Includes: 5x Double End Bolt Snaps note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.