The Lumenok weighing only 22 grains requires no glue, magnets or switches of any kind. The Lumenok will work in any arrow that accepts the TCX Nock, Signature Nock or the Super Uni-nock. The Lumenok will remain lit for up to 40 hours or until retrieved and is turned off by wiggling it back and forth. These nocks will operate hundreds of times.

Fits the following arrows:
Beman ICS
Vapor
Carbon Aeros
Carbon Tech