Used to repair/replace worn or missing bi-fold top pivots and caps Caps with 3/8 inch outside diameter include those found on -Line parts N 6729 and N 7302 Caps with 7/16 inch outside diameter include those found on model number N-6701 Caps with 5/8 inch outside diameter include those found on -Line part N 6702 Caps with 3/4 inch outside diameter include those found on -Line part N 6704