Please read my self-introduction ★ [Price will not be lowered by "likes!"] [I will not respond to price registration requests.] [My home environment: Non-smoking, no pets] [Priority will be given to the person who purchases, even if negotiations are in progress] [I will periodically delete listings] I purchased this item and took it out of the box, but I'm not going to use it, so I'm listing it. Instruction manual included. It can be extended to 41cm.