REIZ 12 Pcs/Pack Durable Lightweight Badminton Duck/Goose Feather Cock/Foam Head Shuttle Cocks Shuttlecocks Set Badminton Ball with Storage Tube

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

• Proper speed, Aerodynamic stability and strike performance
• High-quality durable duck feather skirt with cork base. (for M7)
• The rotation speed controlled in 350 to 420 revolutions, provides smooth flight
• Perfect for beginner and amateurs badminton training sports
• Lightweight, high-cost performance, and admirably stable

Specifications:

• 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)