The size of the adapter carbon rod shaft is 0.244 inches (6.2 mm) inside diameter and 0.303 inches (7.7mm) outer diameter.
The surface of the product is embossed with the stainless pattern, which can enhance the adhesion
Precise concentricity and high precision , manufactured precisely ,that the difference of weight of the bolt is within 0.5 grain to maintain the stability of the flying rod
The size of bolt is standard American-8-32 thread, which is adapted to any standard screw-in, field points ,hunting arrow, broadheads and weights.