Best Seller | 15mm Dia Dual Wheel Plastic Swivel Ring Curtain Track Rail Slide Roller 40pcs - Silver Tone, White Main Color: Silver Tone, White; Package Content: 40pcs x Curtain Track Roller Product Name: Curtain Track Roller; Material: Plastic, Metal Weight: 377g; Wheel Dia: 13.5mm/0.55" Ring Inner Size: 13mm/0.5"(D) Overall Size(Not Include Ring): 28 x 18 x 17mm/… more | | $25.49 FREE shipping go to store |