4-piece shower door rollers, 23mm shower door wheels for up or down operation, sliding shower door roller for bathroom shower enclosure glass door

General description These shower door rollers are designed for both upper and lower sliding shower doors, suitable for flat and curved glass doors. The set includes 4 pieces: 2 upper rollers and 2 lower rollers. Technical specifications Diameter of wheels: 23mm Material: Robust zinc alloy Wheel type: Smooth ball bearing with wear-resistant nylon Installation Upper rollers can be adjusted using adjustment screws Secure mounting with button rollers featuring springs