CHECK SIZE: Package Content: 12 x Curtain Track Rollers; Total Size: 22 x 10mm/0.87" x 0.4"(L*D); Hole Size: 5 x 7mm/0.2" x 0.28"(W*L); Bolt Size: 3 x 4mm/0.12" x 0.16"(D*L).
HIGH QUALITY - With plastic rollers, you will not worry about blemishing your beautiful curtain.
SMOOTH GLIDE - All curtain track rollers are free rolling and slide smoothly within the track.
EAST INSTALLATION - Fit for I beam curtain track. Carriers easily move from track to track and from open to closed.
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.