Nockturnal Launchpad Crossbow Nocks Strobing Red/Green 3 pk. Colors: Strobing Red/Green;Quantity: 3 pack;High-visibility strobing LEDs;Easy to install and use;Lightweight and durable design;Fully adjustable for a precision fit;Compatibility: Fits virtually any brand of crossbow boltstable.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; } Second Color: Green Item Category Code: 3400 Product Group Code: 3400F Product Sub Group 1: 3400F1 Product Sub Group 2: 3400F1B Inactive: No