Sealey fdt4 heavy duty folding composite trestle sealey fdt4 p this trestle from sealey has been manufactured from 30mm thick heavy duty composite material with ribbed rubber feet for added stability ideal for supporting large workpieces when cutting drilling and sawing rubber ring anti slip grips for added workpiece stability four composite hooks two either side allow for work material to be positioned to enable quick and easy access fully collapsible for easy storage and transporta