Beiter Pin Nock #2 - Large Groove Each Nock size has only one single mould. This offers highest precision and lowest tolerances. Every single PinOut-Nock comes out of the same cavity. The Nock does not pinch on the nocking point, it rests there with a spring effect. The working life is much higher and, very important, the Beiter Nock guarantees constant release from the bowstring, shot after shot. To ensure that a Beiter Asymmetric Nock is placed correctly, control that the notch for the nocking point looks to the front of the arrow. The Beiter Pin-Nock can be shot without problem with all known nocking points; but the Beiter nocking point is the ideal partner for any asymmetric Beiter Nock. Beiter Pin-Nocks should fit an all Pins on the market, so that all arrow available shafts can be used with the unique Beiter nock system. Beiter Pin Nock #2 - Large Groove (.098") Requires an arrow with a pin adapter, you can find one that fits here: Pin Adapters Sold Individually