Bamboo shafts with weight and spine measurement.
Bamboo shafts have a variable diameter, for example, at one end it can be 7mm and on the other 8mm. The arrowhead is usually attached to the thicker end.
Approximate diameter of the thicker end and the weight of bamboo shafts (for length 33″) depending on the spine:
spine up to 40# – 7-7,5mm and 250-350grain
spine 45-60# – 7,5-8mm and 350-480grain
spine 65# and more – 8-8,7mm and more and 480-600 grain
Standart spine selection range is 5# for spine up to 65# and 10# for spine over 65# and for shafts 36″ and longer.
Standart weight selection range is 30 grain for 33″ and 36″ shafts and 50 grain for shafts longer than 36″.
Price for 33″ length bamboo shafts – 1,8 usd Price for 36″ length bamboo shafts – 2 usd Price for 39″ length bamboo shafts – 2,2 usd
Price for 42,5″ length bamboo shafts – 2,5 usd Price for 55″ length bamboo shafts – 3,5 usd