FQH 3pcs Archery LED Lighted Arrow Nocks - 4.2mm Automatic Tail Design for Bow Arrow Shafts, Improved Arrow Visibility (BLUE)

• Dual Card Slot Auto-Light : Bowstring-activated switch lights up instantly upon shooting, no pre-operation needed.
• Power-Saving Design : Eliminates manual lighting hassle and conserves battery for longer use.
• High-Visibility LED & No Assembly : Bright light for easy tracking; ready to use right out of the box.
• Long-Lasting Performance : Up to 36 hours of continuous illumination per activation.
• Universal 4.2mm Fit : Perfectly matches all arrow shafts with 4.2mm inner diameter.

Item Description Item Name: Archery LED Arrow Nock Package: 3 nocks/ box Material:Plastic+Metal Length:4.24cm Fit for :ID4.2mm arrow shaft Package Weight: 15.7g/box Net Weight:0.9g each one The above parameters are all manually measured and may have deviation. Please refer to the actual item received.