SWS SeceuroGlide Bottom Slat Stop

Part no. BS171B0
The SWS Bottom Slat Stop (BS171B0) is a small plastic part used on SWS SeceuroGlide roller garage doors.
It attaches to the bottom slat of the door and helps stop the curtain from moving too far into the guide rails.
It also makes sure the door lines up correctly with the locking system when it closes.