Sold individually. Choose height adjustable top or spring loaded bottom.
Marine grade (304) stainless steel balls.
Wheel diameter is 23.5mm x 6mm
Swivel action suitable for quadrant systems
Suitable for systems with 8mm GLASS HOLES - NO MORE than 18mm from centre of hole to glass edge
Top fits up to 6mm glass, bottom up to 8mm glass,
Known brands using this roller include Niko, Neptune & Nua
Carrier size
Top - W 25mm, H 35mm
Bottom - W 24.5mm, H 40mm
Excellent Service 
