Smaller diameter Dyneema based material for increased speed, durability and low creep.
Many Archers use normal serving thread for these jobs. BCY have introduced a specific material 100 percent high tenacity Nylon. The material is bonded to improve abrasion characteristics. Diameter 0.020inch and 75 yard spool.
Good on all strings. Size .021 makes good 9/32(.098) nock fit on 12strand 450plus strings centre serving.