Product Quantity and Size: You will receive 10Pack 2 Inch large round spring clips. O ring inner diameter: 2"(49.7 mm), Outer diameter: 2.33"(59.2 mm), thick: 4.9 mm. Please understand, manual measurement may have 1 mm error Spring Opening Design: Spring o-ring with open design, easy to use, just open the spring-loaded gate and clip it to items quickly. The clips stay shut on their own for convenient one-handed use. Round carabiner clip can be used to hang keychains, wallet hardware, umbrella cord lanyards Materials: Made of zinc alloy, these large carabiner clips feature strong spring-loaded gates that securely latch shut to carry keys, accessories and more Versatile Use: Round carabiner clip are versatile and can be used to fasten keychains, wallet hardware, pet chains, bag chains or anything else that needs a sturdy clip, and can also be used for DIY accessories. round keychain clip is a great DIY accessory, can be given as a gift to a friend Note: Although these metal spring opening o rings clips are very strong, for safety reasons, do not use them for some too strenuous sports, such as mountain climbing or rock climbing These durable O rings are perfect for a variety of projects. Made of strong metal, each large spring-loaded carabiner clip measures approximately 2 inch in inner diameter. Use them to securely attach keys, tools, or other gear to belts, backpacks, purses or anything else needing an easy on-off attachment. The circular shape slides over ropes, cords or loops with ease. Carry multiple items together on one lanyard or split things up between bag and person. Pack of 10 spring-o ring, there's no limit to what you can create. Great for camping, hiking, crafts or everyday carrying, these O rings are built to last through heavy use.