Lighted Nocks for Arrow Crossbow with 7.62mm/.300" Inside Diameter Features Super long batterie life High Visibility LED: An essiential tool for archery hunting Archery lighted nocks with breakthough design Inside Dia: 7.62mm/.300" Batterie: Lithium batterie, replaceable Non-waterproof Clear plastic for maximum light transimission Avaible Colors: Green/Red/Yellow/Blue/Colorful(Flashed with 7 colors) Package Contents 3 * Lighted Nocks + 1 * Screwdriver About New R & D (Research and Development) Item --Archery Lighted Nocks for Crossbow Arrow Benefit: 3 * lighted nocks 1 * Screwdrivers Note: 1.After the battery is weak. Please do not throw away, After a period of time, It can be a few hours again work, Until power is completely off. 2.This is not a toy, do NOT shoot at people

Lighted nocks fits crossbow bolt size .300 (7.62mm) ID. Has a plunger to activate the light.No assembly required. Bow string activated on switch lighted arrow nocks, easy to turn off. Makes tracking your arrows at night or daytime easy. High-visibility LED lighted nocks for crossbow.

Date First Available: August 31, 2017. Best Sellers Rank: #143,930 in Sports & Outdoors. Customer Reviews: 4.3 out of 5 stars 792 ratings 4.3 out of 5 stars. : B07597GYM4. Sport Type: ?Archery. Part Number: ?643858715711. Manufacturer: ?XLZKJ. Suggested Users: ?Unisex. Color: ?Green. Brand Name: ?XLZKJ. Package Weight: ?0.01 Kilograms. Item Package Dimensions L x W x H: ?3.15 x 2.13 x 0.35 inches.