Features: Engineered for emission, these 6.2mm speed nocks sure stable nocks flight and consistent accuracy through their standardized diameter design, crafted from strength plastic for long lasting perform. Featuring tool 0 installation and visibility fluorescent /green colors, these light nocks accessories maintain optimal while enabling visual tracking in lighting conditions. Ideal for competitive emission , bowhunters, and emission enthusiasts seeking equipment that withstands rigorous practice and outdoor expeditions. Perfect for emission competitions, field emission ranges, and wilderness scenarios where rapid equipment adjustments and nocks visibility are critical. most bows and traditional recurve setups, these common nocks deliver tournament grade functionality with reinforced collar construction that prevents splitting during speed releases. Specifications: Materials: Plastic Dimensions: Outer diameter 0.62cm, length 3.4cm : 10 packs Technical parameters: Rapid firing design, suitable for a variety of nocks types Use scenarios: activities | Outdoor emission practice | Competitive competition Package Includes: 6.2mm rapid emission tail × 10 note: Please allow 1-2cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!