Shuttlecock

Specifications of shuttlecocks 1) Weight: 4.7 to 5.2g 2) Speed: 75, 76, 77, 78, 79 1 -------48 --------75 : slow, for use in highland2 -------49 --------76 : medium slow, for use in hotter area3 -------50 --------77 : medium, most sea level area4 -------51 --------78 : medium fast, cold area5 ------ 52---------79 : fast, cold area ,below sea level(1grain = 0.0648gam)3) Fly status: stable 4) Durality: good 5) Packing: 12pcs/tube, 50tubes/ ctn 6) Ctn size: 70*35*40cm 7) Gross weight: about 11kg
Shuttlecock