Gas spring Tube diameter:15 Rod diameter:6 Extended length:245±2mm "gas source:nitrogen Lift load:50n-300n Lift distance:90mm Material:copper/ wear-resistant plastic Color:silver/black(can be customize with requirement) Pistoon rod processing:hard chrome plating /nitrification Installation:side assemble Package:100 pcs/box Full-way amortizing/ 2-force technology Mute design during operation 100, 000 service times of quality guarantee, and 48 hours protection class of salt spray test. 100pcs/box