The Victory Archery XBolt Half Moon LIGHTED Nock 3pk is made with 100% Carbon Fiber Construction which provides unsurpassed speed and flatter trajectory, along with an aligned spine for increased accuracy. This 3pk includes universal 8-32 threaded inserts which accommodate all broad-heads/field tips. The lighted nocks activate on the shot allowing you to see where your arrow lands even in final moments before dark and also makes your filmed hunts more captivating. Specs: Three 20" Bolts Three Arrow Fletchings Three lighted half moon nock ***COLOR MAY VARY***