Excalibur Quill 16.5" Carbon Crossbow Bolt (6 PACK) Specifically designed for use with Excalibur’s MICRO Series crossbows. Quill Carbon Arrows are 16.5 inches long and feature 2-inch offset vanes for flawless flight when matched with the appropriate broad head. Extensive testing has shown Quill Carbon Arrows to be the perfect choice for hunting with all Excalibur Micro Series crossbows. Point sizes: 22/64-inch or 11/32-inch Recommended a 150 grain field point. Inserts and flat nocks included.