产品描述：
| 货号 | 型号 |
| 52040 | ME3-20, length 2 to 20mm adjustable w/ screws |
| 52041 | ME3-40, length 20 to 40mm adjustable w/ screws |
| 52042 | ME3-60, length 40 to 60mm adjustable w/ screws |
| 52043 | ME3-80, length 60 to 80mm adjustable w/ screws |
| 52044 | ME4-20, length 2 to 20mm adjustable w/ screws |
| 52045 | ME4-40, length 20 to 40mm adjustable w/ screws |
| 52046 | ME4-60, length 40 to 60mm adjustable w/ screws |
| 52047 | ME4-80, length 60 to 80mm adjustable w/ screws |
| 货号 | 型号 |
| 52040 | ME3-20, length 2 to 20mm adjustable w/ screws |
| 52041 | ME3-40, length 20 to 40mm adjustable w/ screws |
| 52042 | ME3-60, length 40 to 60mm adjustable w/ screws |
| 52043 | ME3-80, length 60 to 80mm adjustable w/ screws |
| 52044 | ME4-20, length 2 to 20mm adjustable w/ screws |
| 52045 | ME4-40, length 20 to 40mm adjustable w/ screws |
| 52046 | ME4-60, length 40 to 60mm adjustable w/ screws |
| 52047 | ME4-80, length 60 to 80mm adjustable w/ screws |
