Usage Tips:Quality Construction: Our trigger snap hooks are expertly crafted from high-quality zinc alloy making them exceptionally and sturdy. They feature a polished finish for an appealing look. Important to note, the direction of the trigger may be either to the right or left, a factor that doesn't affect its overall use due to similar functionality. Innovative Design: Each trigger snap hook boasts a large opening of 0.47 inch, an upper inner diameter of 0.55 inch, and a 0.47 inch inner diameter for the circular ring (lower). The design ensures there's no sticking, enhancing smooth operation for every use. They provide ample space, a vital factor in handling various items without strain. Versatile Application: These trigger snaps are highly versatile, and can be used in myriad ways. perfect for use on dog leashes, keychains, handmade items or as buckles for connections. A necessary utility in pet cages, they make for a practical addition to your daily use tools. 360 Degree Rotating: The lower ring of the trigger snap hooks has a ability to rotate 360 degrees. A design specifically intended to offer more flexibility and convenience in usage across various tasks. User-Friendly: These hooks are designed for effortless use. Just pull down the buckle to utilize. inner diameter provides more space, making it a breeze to handle without exerting much effort. Color: silver Material: zinc alloy Package Contents: 20 x buckle 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.