The 4 arrow quiver from Kwikee Kwiver features the Ultra Lock double locking bracket system to prevent noise and accidental knockoff. Holds most newer carbon shaft arrows. The back up knob will tighten or release the quiver but will not work loose. Made from ultra strong polycarbonate construction, the quiver is resistant to ultraviolet and ozone deterioration. The Arctic 2 arrow holder remains flexible in sub zero temperatures and will accept magnum heads.