Double Casters for Sliding Shower Door, Replacement Casters for Shower Cabin Door with 14mm Glass Hole

Package Contents: Set of 4 double shower door rollers (2 for the top and 2 for the bottom). (Recommended for 14mm glass hole) Galvanized Casters: Double casters for shower door, up and down, 23mm diameter, plated surface, rust-proof; Suitable for glass doors 4-6&xa0;mm thick and glass holes 12-14&xa0;mm. These replacement shower door rollers are suitable for most shower enclosures and steam rooms. They are installed at the top and bottom of the door for easy opening and closing (not suitable for holes with a diameter less than 12x0mm). Silent when opening, these glass shower door rollers ensure smooth sliding. Easy to install and maintain. (Recommended for 14mm glass holes). It is recommended to replace the plastic shell shower door rollers every six months and the metal shell pulley every year.