Item name: pure carbon arrow shafts

Shaft material: 100% pure carbon fiber material
Color: camo/purple
Length: 30 inches
Straightness: +/- .003 "
Weight: about 13.3g / piece
Outside diameter: 7.2 mm
Inner diameter: 6.2mm
Spine: 250/300/350/400/450/500/550/600 for your option
Usage: for DIY archery hunting arrows
Quantity: 12 pieces carbon arrow shafts + 12pcs aluminum inserts

Feathers:
Shaft Length: 30 inches, Straightness: +/- 0.003 "; Seamless carbon arrow shaft for maximum durability
100% pure carbon construction, ultralight, high strength, durable
Suitable for compound bow / recurve bow/traditional bow
Fits for draw weight that up to 70 pounds, for both traditional and mechanical arrow heads
Pair with aluminum inserts and rotated nocks can attach to broadheads and lighted knocks for your multipurpose.