AL 1535 Set for 2 Wood Doors. Load Cap: 33 lbs/door. ANSI/BHMA, Grade 1. Two panels can be installed left or right. 2 sets installed in opposite directions can close an opening up to 10'. Ball bearing quality rollers for a silent smooth glide. Min door thickness: 5/8".

SET IS FOR TWO DOORS.

NEED TO SELL FOUR TRACKS!!!