The stair case coupler is used for the construction of make-shift. stairways by connecting together scaffold tubes and timbers (oft.en scaffold boards) in angles varying from 28° to 90°. These units can be used in either left. of right hand combination.
Cuplock Inside Board Transom 0.565 mm. (2 Board)
Cuplock Inside Board Transom 0.795 mm (3 Board)