Designed with a 5MM carbon core and XX75 outer shell, the Easton 5MM Full Metal Jacket Arrow offers hard-hitting speed and deep penetration that will drop big game in its tracks. Each Arrow comes pre-installed with X Nocks. High-strength carbon core with 7075 alloy metal jacket Pre-installed X nock 5MM (X) HIT Insert .002" straightness tolerance Your choice of size: 300, 340, 400, and 500 Custom Arrow Cutting available. Check the "Customize It" box and follow the instructions to have Arrows cut to your desired length.NOTE: Vane colors may vary from what is shown. However, all arrows in 6-pk. will be same color.300 Specs Shaft Weight: 12.0 GPI Spine @ 28 inch Span: 0.500 inch RPS Point: 9/32 Broadhead Adapter Ring: BAR5 Inside Diameter: 0.204 inch Length: 32.5 inch, but can be custom cut by Sportsman's Guide to your desired length340 Specs Shaft Weight: 11.3 GPI Spine @ 28 inch Span: 0.400 inch RPS Point: 9/32 Broadhead Adapter Ring: BAR5 Inside Diameter: 0.204 inch Length: 32.0 inch, but can be custom cut by Sportsman's Guide to your desired length400 Specs Shaft Weight: 10.2 GPI Spine @ 28 inch Span: 0.340 inch RPS Point: 17/64 Broadhead Adapter Ring: BAR3 Inside Diameter: 0.204 inch Length: 31.5 inch, but can be custom cut by Sportsman's Guide to your desired length500 Specs Shaft Weight: 9.1 GPI Spine @ 28 inch Span: 0.300 inch RPS Point: 17/64 Broadhead Adapter Ring: BAR3 Inside Diameter: 0.204 inch Length: 31.0 inch, but can be custom cut by Sportsman's Guide to your desired length Order today!