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| | OMHS20-CS | OMHS25-CS | OMHS25.4-CS | OMHS30-CS |
| 裝卡直徑(A) | 20mm | 25mm | 25.4mm | 30mm |
| 通光孔徑(B) | 18mm | 23mm | 23mm | 27mm |
| 傾斜角度 | ±3° | ±3° | ±3° | ±3° |