Versatile: standard roller blind chain connectors are suitable for all types of blind chain, you can use it for curtain roller, roman and vertical blind chains Size: the plastic chain connector is 4.5x6 mm/0.18x0.24 inch, standard size for chains; Due to the chain connector is too small, please don't allow kid to play it Blinds Chain Connector: the ball chain connector is made from POM; White color match all types of shades and vertical blinds Easy to Use: easy to use and take off, the bead chain connectors can be repeated use for long time, not break down easily Package Content: including 10 pack chain connector clip; Plastic bead chain is not included