The Nockturnal Launchpad Crossbow Nocks are a reliable and affordable option for crossbow enthusiasts. These green nocks are designed to provide a secure fit on nearly all crossbolt brands and models, making them a versatile choice. The integrated aluminum housing protects the battery and LED during high-speed flight and impact, ensuring a long-lasting performance. With micro-adjustability, you can easily install these nocks for a reliable fit. Each nock weighs approximately 30 grains, and they're available in a pack of three. Order now and take advantage of fast shipping on this on-sale product.Product Features and Specifications: Material: Aluminum Color: Green Weight: 30 grains per nock Number of Pieces: 3 Adjustability: Micro-adjustable Compatibility: Nearly all crossbolt brands and models