300/350/400/450/500/550/600mm 600N Universal Gas Springs Struts For Kit Car or Conversion Package Includes: 2x Gas Springs Strut 2x Brackets 6x Pins Specification: Product Name: Gas Springs Strut Material: Metal Color: Black Force: 600N Length(between ball centers): 300mm(11.81") / 350mm(13.77") / 400mm(15.74") / 450mm(17.71") / 500mm(19.68") / 550mm(21.65") / 600mm(23.62") (Please let us know the length youd like,You can leave the meage on your note to tell us.) Type: Gas Spring Quantity: 2pcs Fitment: -Universal For Bonnet, Hood, Box, Caravan, Car, Bed, Hatch Door, Cupboard, Door,Etc. -For Car Conversion. Features: -Its surface is smoother and more corrosion resistant. -The cylinder block is made of thickened precision steel pipe, which has a very high preure resistance and is not easily deformed. -Use high quality seals, long service life. Note: 1.We provide clear pictures, measurements where poible. Please check as much as poible to make sure the item is the one that you need. 2. Please allow 0.5-1 inch difference due to manual measurement.(1inch=2.54cm) 3.There are no instructions included in this kit.