2

3

4

5

5

6

7

8

Pocket lock

Angle stiffener

Standard s slip

Hemmed s slip

Width of folder edge + thickness of sheet

2 times width of folder edges + 2 times thickness of sheet

3 times width of folder edges + 3 times thickness of sheet

4 times width of folder edges + 4 times thickness of sheet

Total allowance = (3x fold size) + (6 x thickness of sheet)

Total allowance = (2x fold size) + (4 x thickness of sheet)

Total allowance = (4x fold size) + (4 x thickness of sheet)

Total allowance = (3x fold size) + (4 x thickness of sheet)