Gold Tip Hunter Pro Arrow Shafts are the most consistent hunting arrow in the world. 100% carbon construction. GT Series nock and inserts. Gold Tips Smart Carbon technology provides the speed, strength, and stability that have made these arrows the hunting arrow of choice for thousands of hardcore bowhunters. Per 6. Sizes: 340, 400. Straightness: .001. Weight Tolerance: .5 grain. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Arrow Shafts.