Crossbar Standard Type Blue Steel "Course Threads"
Nitrox ready up to 40%
Has triple o'ring on each side of crossbar
This is the long style "215mm" which fits most cylinders over 6.75" in diameter
Now this is the standard crossbar that works with the Blue Steel bands! Will fit from a 6.9" inch cylinder dia to our 8.0" inch dia cylinders. No more worrying about if you have the correct size
 "Crossbar Standard Type Blue Steel \"Course Threads\"")