suitable for all commercially available bow sights
22 indexing points from 0.5 mm - 12.0 mm.
archers can focus on the same colour rings at different distances with identical target pictures for all
bow hunters can determine distance to the quarry by noting the iris aperture for a given game silhoutte. Available in 3 different stainless steel attachment threads: 8/32" (505), 10/32" (505-1032), M4 (504L), others available...