Remove gas cylinder using a Lift-Off® tool:
Main Column diameter is 50mm (2")
Black painted steel
Exposed column height above top of base leg is about 2"
Exposed column below average base is 2" (may scrape floor)
Approximate overall Column length 6 7/8"
50mm replacement cylinder base column
Column length 6 7/8" overall
Drop column into leg center, No tool needed.