Black Eagle Rampage Nock Collars 400 12 pk. Designed for Rampage arrow shafts;Made from durable aluminum;Protects the nock end of the arrow;Easy to install and remove;Red color for easy identification;Weighs 3 grains each;Sold in a pack of 12table.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; } Item Category Code: 1100 Product Group Code: 1100C Product Sub Group 1: 1100C2 Inactive: No