Check the listing for details. Archery Arrow Nocks 6.2mm 0.244", 40 Pack Insert Arrow Nock, Clear Red. Condition: New. Listed at 12.06 USD. Archery arrow nocks play a crucial role in securely connecting the arrow to the bowstring and aiding in arrow flight.SpecificationColor: Clear RedMaterial: PlasticOverall Size: 32x6.2mm / 1.26x0.244 inch(LxD)Packing List: 40 Pack x Archery Arrow NocksAdvantageArrow nocks contribute to a smooth and consistent release from the bowstring. They minimize friction between the arrow and the string during the shot, allowing for optimal energy transfer and minimizing any interference with arrow flight.Arrow nocks help prevent splitting or splintering of the arrow, which could occur from repeated contact with the bowstring.InstructionInsert style arrow nock that eliminates the need for glue. Apply gentle pressure and carefully slide the arrow nock onto the arrow shaft.