● Auto switch can be mounted on four sides without protruding
● Left, right direction selectable
● Installation methods vary (Piercing, Tab Attachment, Flange Attachment)
● Strong Scraper Basic Mounted (20Ø Not Mounted)
▶ Four types arm are available
▶ It can mounted on the four sides available
▶ Rod crank slider structure
▶ It is easy and convenient to change the opening angle