Key ring measurement: the split rings is approx. 1cm/0.4inch in diameter, and they are approx. 0.2cm thick, small in size, spiral design makes a little tight, so small objects on the split ring are hard to lose and can provide long service life.Hard material : These small keychains are made of hard and durable alloy, and with nickel plated on the surface, can prevent erosion, rust and oxidation.Shiny Split Rings: This set of split rings are in silver color, general and simple, bright and shiny, can match with objects of different colors. Note: Please confirm the size before purchase.Wide Application: This set of key chains have many different uses, for example, you can use them to connect clasps, small keys, links or make jewelry.Commodity contains: this package includes 100 pieces of broken rings, large quantity, enough for you to use.