Caiman,
The model numbers on the Spring Air web page are screwed up. It is "Three Gear System 3/16" Struts" which is the 5th one from the top. When you add it to your cart it will show the correct model # 102HD. The pull-pull hardware is available at Tower Hobby,
http://www3.towerhobbies.com/cgi-bin...?&I=LXD858&P=7