SPG Archery Pure Carbon Hunting Arrow Compound, Traditional, and  Recurve Bow, 300 Spine, 32 inch, I.D 6.2 mm, 3K Shaft, Plastic Feather, 50-75LB

LAUNCHPAD PRECISION NOCK - Launchpad Precision Nocks come standard on all Maxima RED arrows and shafts to deliver a controlled arrow release, better shaft alignment and more consistent accuracy shot after shot.
DYNAMIC SPINE CONTROL - Patented hi-tech carbon material construction that manages Dynamic Spine in a new way to make broadheads fly better. Maxima RED uses different
carbon materials to control arrow flex to the RED ZONE.
ITEM SPECIFICATIONS: 1)Straightness: +/- .003" 2)Material: high quality 3k weave carbon 3)Spine: 300 4)OD:7.9mm 5)ID:6.2mm 6)Length: 32"