H section brass windscreen extrusion, approx 13mm wide, 19mm high, groove approx 8.5mm. This can be cut to any size however please note it is charged to the nearest 0.5m oversize. For example, if you require 1.4m please add 1.5 quantity and specify 1.4m cut length in the text box. Price shown for minimum 1m charge. Click on "bigger Image" for complete dimensions Standard courier service will be used for cutting lengths of 1.1mtr maximum, anything over this will incur the oversize fee.