The fixed mounting bracket allows for 3-/2″-5-1/4″ sight placement. Sizing the scope housing to your peep sight has never been easier. The HS (High Speed) option is light years ahead. Due to the thin pins, target obstruction is reduced. These hunting sights are available in .010 and .019 fiber sizes. 5 or less pins will achieve bow speeds up to 450 fps. Hunting sights with 6 or more pins achieve bow speeds up to 400 fps. All Armortech HD pro sights include a Mathews Harmonic Damper. Included with the sight is the universal quiver mount bracket, making mounting the quiver a simple task. 1.75″ housing. Color: Black.