Victory Archery Switch Nocks (size S/GT)Victory Archery Switch Nocks (Size S GT) Pressure Activated Lighted Nock System Track every shot with confidence using Victory Archery Switch Nocks, a lighted nock system designed to be simple, highly visible, and durable. Featuring pressure activation, a powerful LED, and an easy to use toggle switch, these premium lighted nocks provide the added visibility you need for shot placement analysis and arrow recovery in low light hunting conditions.