A "GAS SPRING 4043 350MM GAS SPRING" IS A GAS-POWERED LIFT STRUT WITH A 350MM EXTENDED LENGTH, IDENTIFIED BY THE MODEL NUMBER K4043. IT IS A TYPE OF GAS SPRING USED TO LIFT AND SUPPORT OBJECTS LIKE CAR CANOPIES, HATCHES, OR FURNITURE, AND HAS A ROD DIAMETER OF 8MM AND A 16MM BORE. KEY SPECIFICATIONS INCLUDE A 350MM EXTENDED LENGTH, A STROKE OF 157MM, AND A FORCE OF AROUND 300NM OR 150N, DEPENDING ON THE MANUFACTURER.