Arrow Shafts Pure Carbon Shafts 33 Inch Arrow Tube Spine 300 350 400 500 600 for DIY Hunting Arrows Recurve Bow Compound Bow 12Pcs

Straightness: +/- 0.003.
Length: 83.9 cm (33 inches).
Shaft inner diameter: 6.2 mm.
Spine: 300, 350, 400, 500, or
600. Proper matching of arrow bodies improves shooting performance. Constructed from 100% pure carbon, these arrow shafts are robust and well-balanced. They are designed for DIY assembly with feathers, nocks, and arrowheads, creating archery hunting arrows that deliver excellent precision and outstanding flight performance in various conditions.
Lightweight design: Spine 300 weighs approximately 18.5 g, Spine 350 about 17.2 g, Spine 400 about 15g, Spine 500 about 12.5 g, and Spine 600 about 10.8 g. Shaft weight tolerance is +/-1 grain. This lightweight and precise construction makes them appropriate for adults and teenagers practicing or hunting outdoors and indoors. Compatible with various types of bows, including 25-70 pound recurve bows, longbows, composite bows, and traditional bows. They are a fine choice for both novice and experienced archers. The pack contains 12 pieces of standard, professional, and durable pure carbon arrow shafts, offering high cost-effectiveness.
Note: Due to variations in carbon cloth batches, there may be slight differences in the weight of arrow shafts, leading to inconsistent weights among shafts with the same spine