Sporting Goods 
Pet Supplies 
Since the f4 Turbo uses air resistance instead of weight to build strength, it reduces the risk of injury from using heavily weighted swing trainers. As your swing speed increases, so will the resistance you feel, and the more it will strengthen you large muscles.
| Best for | Swing Practice |
|---|---|
| Brand | Proactive |
| Features | For Left-Handed, For Right-Handed |
| Indoor/Outdoor | Indoor/Outdoor |
| Item Length | 39" |
| Item Weight | 2 lbs |
| Manufacturer Warranty | 1 Year |
| Model | F4 Turbo |
| Sport/Activity | Golf |
| Type | Resistance |
| Vintage | No |
