J and D Custom Strings Bowstring Black 452X 63.75 in.J and D Bowstring Black 452X 63. 75 in. Experience unmatched performance with the J and D Custom Strings Bowstring Black 452X, designed specifically for archers who demand precision and durability. This bowstring is crafted from high quality 452X material, ensuring that you achieve optimal speed and accuracy with every shot. With its pre stretched design, you can trust that this bowstring will maintain its integrity and performance over time, even