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 Trainer for Warmup K2W2. Condition: New. Listed at 16.31 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.

$11.42
$16.31