28 inch Fiberglass Shaft Length (I.D.5mm, O.D.7mm) Colorful Vanes is easy to be found after shooting. (If the plastice vane shape is bent, you can put the vane into 80 ???-90 ??? hot water for a few minutes, it can be recover the original shape) Outside Plastic Nock are Fixed by Glue For Compoundbow & Recurvebow They are durable and well made.Draw Weight: Up To 55Pounds