Thank you Gerhard.  From the description I am not sure if the overall length is 22mm or if the hole to hole dimension is 22mm.

Have you purchased this item or can you verify that the hole to hole dimension is 20mm?

Thank you for your time.

All the best,

Paul Stascavage
SM #466 - s/v Rita Kathryn
Currently Exploring Brunswick, GA

www.RitaKathryn.com