Nockturnal Push-in Nock Fit Universal Size Lighted

Super-strong, clear, polycarbonate construction.
Selection of bushings included to allow for installation on hunting arrows of the most popular sizes.
Compatible with X, H, S and GT shaft sizes.
Non-Strobing version.
Available in a selection of colours.
20-hour battery life.
Pack of three.
Fitting (all colour bushings included):
X (white bushing) = Fits smaller diameter carbon .233 ID shafts.
GT (black bushing) = Fits smaller diameter carbon .246 ID shafts.
S (gray bushing) = Fits standard carbon .244 ID shafts.
X (no bushing) = Fits smaller diameter carbon .204 ID shafts.