BCY 76 yd. Nock Point Tying Thread Black. Nock Point Tying Thread. Made of 75 yd. burly bonded nylon these Archery Equipment by BCY are high strength and weather resistant so you don't need to worry about them fraying and breaking under the stress of constant use and hunting pressure. The high strength and high tenacity nylon in the BCY 75 yd. Nock Point Tying Nylon Thread won't break or fray when you trim it to the right length providing a consistent performance shot after shot. When you need strong and reliable tie off material for your highest performance bows you need the BCY 75 yd. Nock Point Tying Nylon Thread. Package Contents: BCY 75 yd. Nock Point Tying Thread BCY 1201341: 76 yd. Nock Point Tying Thread Black