| Brand | POWERTI |
|---|---|
| ASIN | AY4NLOF4C5 |
| 100g | 39 * 15mm |
| 25g | 25 * 15mm |
| Material | Zinc alloy + Copper plating |
| 50g | 30 * 15mm |
Check the listing for details. Tennis Racket Swing Weight Practice Training Aid Trainer for Warmup E6T7. Condition: New. Listed at 16.25 USD. Quickly attaches and removes from tennis racket. Perfect performance enhancing training aid for tennis. 1 Swing Weight. Weight: 25g / 50g / 100g (optional). Material: Zinc alloy + plating. Used for warming or for developing arm strength and stroke.