Features: OOTDTY Heavy responsibility and excessive energy shackle hook. Quick launch buckle, resistance of the spring to facilitate relief and fixing buckles. With a small metal ring for good operation. Split ring on plunger pin is spot welded for security. Avoid of for sharp edges and extreme temperature corrosion of surface. Specifications: Material: Stainless metal Weight: 41g Size: 20x65mm/0.78x2.55inch Package Includes: 1x Shackle Note: 1.Please allow 1-2cm errors due to guide measurement, just be sure you do not mind before you order. 2.Due to the variation between diverse monitors, the picture might not reflect the actual color of the item.