Features:
Made from metal material, to use.
Quickly attaches and removes from tennis racket.
Used for warming or for developing arm strength and stroke.
Perfect performance enhancing training aid for tennis.

Specifications:
Material: Zinc alloy + plating
Weight: 25g / 50g / 100g (optional)
25g: 25 * 15mm
50g: 30 * 15mm
100g: 39 * 15mm

Package List: Y18763-25
1 * Swing Weight