【USE range 】 Ideal for for holding curtain panels, room dividers, drapes, sheers, and valances. Widely used in windows, closets, bedrooms, office, restaurants, sliding doors, etc. 【Quiet and no noise】Silent rolling runner, these hooks will make the least noise as you pull the curtains。 【Smooth sliding】Lightweight but heavy duty, easy sliding gliders，Smooth sliding。 【Durable】Made of high-quality zinc alloy, it is highly durable, and all curtain rollers can roll and slide smoothly in the track. 【Easy and convenient】Easy to operate, it can be easily moved from one track to another, from open to closed。