- HASAYAKI chain connectors designed to repair and join roller, vertical, and Roman blind chains - Made of POM plastic, a durable and lightweight material that ensures a long service life - Pack of 20 units, ideal for multiple repairs or installations - Compatible with most standard bead chains in blinds and shades - Quick and easy installation: click design to easily join chains - Dimensions of each connector: 20 x 7 x 6 mm, universal size for curtain systems - Practical solution for the maintenance and extension of your blinds' lifespan - Keep away from small children due to small size