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.
This is the bridge size. The lens measurement combined with this number is considered the frame size and is written separated by an x; for example, the size might be 54 x 18. This is how an optician would write the measurement to order lenses. Measure the temple length. The part that goes over your ear, the temple, is sometimes referred to as an arm or arm piece and is also measured in millimeters. Temples average 135 to 150 millimeters in 5 millimeter increments.