"Package includes: 20 m vertical blind bottom chain wrapped with white plastic shaft for ease of use and no confusion. 5 louvered rope connectors Details: Link vertical shutter chains fit 3.5"" or 89mm slats, there are 11 balls between each clip of the shutter chain, and the 20 meter chain has about 200 link clips Strong and durable: The shutter chain is made of durable, high quality plastic, and the white plastic clip is enough to hold the counterweight not easily damaged This bead roller shutter chain can be used to replace broken chains connecting vertical blinds and roller shutter chains for reuse Application: Can be used to replace existing connectors or to secure continuous ring chains by cutting the chain and adding this connector"