Ravin Xbow R18 .003 Polymer Nock Arrow - 6 Pack R146. 003 6PK Specifications for Ravin .003 R18 Arrows: Manufacturer: Ravin Color: Black Fabric/Material: Carbon Quantity: 6 Length: 16 in Weight: 350 grain 350 g Finish: Brass Nock Type: Ravin Clip-on...