[Carabiner Size] Carabiner Length: 1.57 inch, Width: 0.79 inch. [304 Stainless Steel] Compared with the hook made of iron, our snap hook is stronger, resistant to corrosion, and not easy to rust. Stainless steel carabiner for longer service life. [Opens and Closes Smoothly] Our Spring Snap have a strong structure, after thousands of open and close tests [Safety Load 150 Pounds] Perfect for key ring, chains, hang bird feeders, ropes, fishing, pet, DIY accessories. [Quality Assurance] We are responsible for our products, each product are strictly tested before shipment to make sure that every customer could use it properly, so please purchase with confidence.