A:
Off of the Parker web site for these bolts:
Specifications
Specifications
* Length - 20"
* Diameter (OD) - 24/64" (0.348")
* Tolerance - /- .004"
* Mass Weight - 300 grains (no point)
* Grains per inch - 13.1 (shaft)
* Insert - Aluminum, 24.5 gr.
* Nock - Red Hot Moon Nock
* Vanes - 4" Dura vane