Steambow AR-Series - Carbon Heavy Bodkin Hunting Arrows Set of 10 pcs Black. They have a high-quality aluminum nock and a hybrid carbon/aluminum shaft meaning there is an aluminum core running inside the carbon shaft. This complex structure offers outstanding flight characteristics and makes the arrows extremely robust. Specifications for Steambow AR-Series - Carbon Heavy Bodkin Arrows: Manufacturer: Steambow Color: Black Package Contents: Steambow AR-Series - Carbon Heavy Bodkin Arrows Steambow 641: AR-Series Heavy Target Arrows 3 pcs Black