ZSHJGJR 30 Inch Pure Carbon Arrow Shaft ID 6.2mm Spine 250 300 350 400 450 500 550 600 Raw Bare Shaft Archery Carbon Shaft Tube for DIY Homemade Arrows 12pcs (Spine 400, Purple)

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.

• 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, package includes: 12pcs arrow shafts + 12pcs aluminum inserts
• 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.