ISO 4144
ISO 4144
| Size mm | 1/8" | 1/4" | 3/8" | 1/2" | 3/4" | 1" | 1 1/4" | 1 1/2" | 2" | 2 1/2" | 3" | 4" | 
| L | 20 | 25 | 27 | 34 | 36.5 | 42 | 47.5 | 47.5 | 57 | 61 | 67.5 | 80 | 
| A | 5.5 | 8 | 11.5 | 15 | 20.5 | 26 | 34.5 | 40 | 51 | 65.5 | 77.5 | 101.5 | 
| S | 11 | 15 | 18 | 22 | 28 | 35 | 43.5 | 49.5 | 62 | 77.5 | 90.5 | 117 | 
| W | 4 | 4 | 5 | 5 | 5.5 | 6 | 6.5 | 6.5 | 7 | 7 | 7.5 | 8 |