S1141 plastic foot is used for 40mm upright extrusion with 8 system grooves S100, S108. It is made of plastic and weighs 0.013 kilograms. It has six feet which can insert into the upright extrusion perfectly. Generally, it is often installed to the bottom of the upright extrusion to cover the extrusion and help increase the height of the extrusion, the common height of upright extrusion in shell scheme booth is 2480mm, and with the plastic foot, it would be 2500mm. If you have the demand, Lingtong will provide the plastic foot separately or attach the cover to the extrusion and send them to you together.