The Beiter Pin-Nock is available in the Beiter patented ASYMMETRIC version, as well as in the SYMMETRIC version, for Compound archers using a D-Loop. Pay attention that the Beiter Logo should face on top of the nock while shooting. Pin nock design will fit pin bushings of all known types Each nock has only one single mould for the tightest tolerances and the highest precision Nock grove shaped to prevent pinching the string for a consistent release Simple to install with an easy push-fit design Symmetrical design ideal for use when shooting with a D-loop