Hollow section extruded aluminium track for lightweight yet retaining high load capacity. ‘Spectro’ grey anodised finish is extremely durable and adds to the friction ~free efficient performance of these products. Three styles of track are available drilled, sliding bolt and beam. To allow for a smooth profile with no visible fastenings. Also makes retro fit an easier job, as bolts can be slid along the extrusion to match existing fastening holes. Ensure washers are fitted beneath track to ensure a good seal. Width: 20m Height: 15mm Fastenings: 5mm>!!