● 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