| 序號 | 公制 mm | 英制 " | 
| 1 | 17 | 5/8 | 
| 2 | 19 | 11/16 | 
| 3 | 22 | 3/4 | 
| 4 | 24 | 13/16 | 
| 5 | 27 | 7/8 | 
| 6 | 30 | 15/16 | 
| 7 | 32 | 1 | 
| 8 | 34 | 1-1/16 | 
| 9 | 36 | 1-1/8 | 
| 10 | 38 | 1-3/16 | 
| 11 | 41 | 1-1/4 | 
| 12 | 46 | 1-5/16 | 
| 13 | 50 | 1-3/8 | 
| 14 | 55 | 1-7/16 | 
| 15 | 60 | 1-1/2 | 
| 16 | 65 | 1-5/8 | 


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