Model | F21-4S | F21-4D | F21-E1 | F24-6D | F24-8S | F24-8D |
Specification |
156x61x51mm,
4 Directions,
Single Speed
|
156x61x51mm,
4 Directions,
Double Speed
|
176x61x51mm,
6 Directions,
Single Speed
|
176x61x51mm,
6 Directions,
Double Speed
|
186x61x51mm,
8 Directions,
Single Speed
|
186x61x51mm,
8 Directions,
Double Speed
|