【The package contains】: 4 pieces gas struts have strong load capacity and uniform force. The size is 270 mm and the pressure is 150 N / 15 kg. 【High quality gas spring】: The cylinder is made of high quality zinc alloy and ABS, which is both healthy and environmentally friendly. It is abrasion resistant, strong and durable, thickened, resistant to oxidation and will not fade. 【Good cushioning effect】: The piston cylinder is filled with inert gas-nitrogen, with high compression capacity, and the installation process is more stable and safe. Excellent cushioning and waterproofing. 【Easy to install】: The contact area of the metal plate of the gas spring and the cabinet is large, and the three-point positioning makes it more durable. 【Applications】: These gas springs are suitable for all kinds of wooden doors, aluminum doors, cabinets, tatami mats, TV cabinets and bookcases. Safety Gas Struts - Gas Spring KIT FURNITURE ACCESSORY - 4 pieces gas jacks Dimension : 270mm. Applications: Wooden