Carbon Express 57519. 9016 Cam Nocking Points Fit 20-24 Strand String. NEW (Package Has Wear But Product Is New And Unused). SHIPS N 24 HOURS Enhance your archery skills with Carbon Express Cam Nocking Points! These accessories fit 20-24 strand strings and are perfect for any archer looking for precision and consistency in their shots. Made in the United States, these nocks are a must-have for any serious archery enthusiast. The Carbon Express Cam Nocking Points come in model number 57519 and are ideal for use with a variety of bows. The brand is well-known for their high-quality archery equipment, and these nocks are no exception. Whether you are a professional or a beginner, these nocks will help you achieve your goals and take your archery game to the next level.