lockable gas spring for medical machine

gas spring for medical machine: Parameters: 1. there are five parameters:extented length,sroke length,rod diameter,body diameter,force. 2. the parameters can be decided by buyers. Stroke length(mm) Extented length(studs) (mm) Rod diameter (mm) Body diameter (mm) Force range (N) 30 230 10 26 300N-1100N 35 235 10 26 300N-1100N 40 235 10 26 300N-1100N 70 300 10 26 300N-1100N 100 285 10 26 300N-1100N 255 620 10 28 300N-1200N 255 620 12 28 300N-2000N Packing and Delivery: packing details: 1.1 pc/a plastic bag. 2.the product number and the QTY printed on the carton. 3.as your request. delivery details: it's up to your quantity. Certification: GB/T19001-2000-ISO9001:2000 standard. Item Gurantee Life: Through more than 50,000 times recitprocating fatigue test. warranty :one year. Product Features long lifespan,superior design ,reasonable price,fast delivery,excellent painting surface,high quality.caution: Don't open,high compressure.