螺紋尺寸：SM05/SM1/SM2/SM3, 附帶固定環
內螺紋深度：12.7mm
材質：鋁合金黑色陽極處理
SM05
SM1
SM2
SM3
| 型號 | 螺紋尺寸 | 外螺紋長度L(mm) |
| LT05V05 | SM05 | 12.7 |
| LT05V10 | SM05 | 25.4 |
| LT1V05 | SM1 | 12.7 |
| LT1V10 | SM1 | 25.4 |
| LT1V15 | SM1 | 38.1 |
| LT2V05 | SM2 | 12.7 |
| LT2V10 | SM2 | 25.4 |
| LT2V15 | SM2 | 38.1 |
| LT3V05 | SM3 | 12.7 |
| LT3V10 | SM3 | 25.4 |