20pcs blinds chain connector: the ball chain connector is made from good quality plastic; Clear color match all types of shades and vertical blinds. Size: the plastic chain connector length is 11/16"and the width is 9/32", Please kindly check the size picture and make sure the diameter of the cord ball is less than 5/32". 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. 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 20pcs chain connector clip; Plastic bead chain is not included