RUSTPROOF/MOISTUREPROOF- Blind cord and chain cord connector is made of stainlsteel, environmentally friendly nickel-free, sturdy and durable, not easy to rust and not easy to fade,can be used in wet places such as toilets.ADJUSTABLE LENGTH-These ball chains are adjustable in length, simply cut the chain with scissors or pliers,adjust to the length that suits your needs and install,which is convenient for your daily life.GREAT VALUE Pack-Package includes 1 Roll 16.4 feet/ 5 meters long of silver metal beaded chain with 12 pack matching roller blind chain connectors, the diameter of the beads is 4.5mm/0.18 inches,and the metal links are separated by 2 mm. Value set, economical and practical.EASY TO USE-These ball chains are fully joined continuous loop, so there are no connectors to hinder your blind mechanism,the roller blind chain connectors just determine the distance between the ball heads of the chain, and then prit in with your hands, It can be easily installed and removed without tools.WIDE USE-Ball chains with connector main suit for roller blind, curtain, ceiling light, ceiling fans, key chains, neck chains, dog tag chains, bracelets, DIY project etc.