The KnockOut Lighted Nock .300" Crossbow Half Moon Orange 3 Pack is a set of high-quality lighted nocks designed for bow hunting. These orange nocks are specifically designed for crossbows and feature a half-moon design. With this 3 pack of bright orange nocks, and with the added visibility of the bright glow, these nocks improve accuracy and allow you to retrieve your arrow easily while out in the field.