Shower Door Rollers with Twin Wheels Pulleys 25 Mm for Curved Doors Glass

【4 Pcs Shower Door Rollers】: Including 2 upper rollers,2 lower rollers,4 sets of bumper blocks and stainless steel screws.Rollers are removable and cleanable.Suitable for 12-14mm glass aperture; the upper wheel can be adjusted into 8mm in height.