True 5:1 concentration. 1  Double the strength of other brands. 2  Minimal or no fillers and binders. 3  No pharmaceuticals, sugar, or dyes. 4  Comprehensive lab testing (e.g., heavy metals,etc.) 5  Made in a cGMP certified facility. 6  Unbeatable value. 7  Safely used in the USA since 1995.
Arrow Length - refers to the length of the arrow shaft. Arrow size - refers to the spine (stiffness) of the arrow. The shaft size is always referring to the diameter of the shaft, the wall thickness of the shaft and the distance that the arrow shaft will flex before it bends or breaks.
MEASURING THE ADJUSTED DRAW LENGTH OF A BOW. The proper length for your arrow will depend upon several factors: the draw length of the bow, the type of bow you have, and the type & position of your arrow rest. Before we dive into this issue, we should briefly discuss how the draw length of a bow is measured.