For the Bearpaw Nock Traditional, material, design and workmanship were adapted specifically to the needs of traditional archers. The nock is provided with an indexer and is made from hard-wearing material.Sizes: 5/16 inches, 11/32 inchesColors: white, black, yellow, green fluorescent, orange fluorescent, red fluorescentUse: glue-on nock for wooden shafts with nock conus in diameters 5/16 and 11/32 inchesSold in lots of 6.