Easy-to-attach nock sets will not damage string servings. Soft inner lining protects bowstring while ensuring a slip-resistant nock point. BrassTarget: 8-10 Strand, Blue, 5 pk. Hunter: 12-14 Strand, Black, 5pk. XL: 16-18 Strand, Red, 5 pk. October Mountain Nock Sets XL Red 3101 1813