Designed for use with your Excalibur Micro Series Crossbow, these Quill 16.5 inch Carbon Crossbow Arrows will get the job done with with amazing accuracy and top in-flight performance. Made from 100% carbon and feature 2 inch offset vanes. For use with Excalibur Micro Series crossbows 100% carbon construction 2 inch offset vanes 16.5 inchl. overall Note: Vane color is random. Could be yellow, green or white. Sorry, no choice. Order today!