Generic-12pcs Badmintons Duck/Goose Feather Cock/Foam Head Shuttle Cocks Shuttlecocks Set Badminton Ball Game with Storage Tube

This set of precision-manufactured shuttlecocks ensures a perfect-fit speed, distance and stability performance. It is made of good qualitative goose feather with foam base. The shuttlecock rotates in a controllable speed of 350 to 420 revolutions to make sure a stable flight. A wonderful set for professional badminton training or amateur badminton playing.

Specifications:
Color: White
Model: M7 / M10 (Optional)
Skirt: Duck feather / Goose feather 
Base: Cork / Foam
Speed: 76 
Rotational velocity: 350-420 revolutions
Weight: 4.7-5.5g (one piece) 
Package weight: 179g, 6.3oz / 171g, 6.0oz

Package List:
12 * Badminton Shuttlecock