Recliner chair parts,Rotational extension gas spring for office chair. Feature 1,Material: Steel 2,Quality: Airproof and durable 3,Chrome or Powder coating are all available 4,The switch color can be changed as your request 5,Function: It would be adjustable and extendable by force Production Information Product Image Company Information Packing & shipping -Qty10PCS or 20PCS per carton -G.W./per ctn: 6.5kgs to 20kgs -CBM per ctn: 0.006 to 0.008 -Shipment date : 20-28 days after deposit Contact me: