Fleetwood Natural Grain Carbon Arrows. These arrows mimic the classic look of wood grain while being crafted from multi-layer rolled carbon for enhanced strength and durability. Each arrow is fletched with three left wing 5" shield cut turkey feathers and comes with 125 grain field points ensuring ready-to-use convenience straight out of the pack. Specifications for Fleetwood Natural Grain Carbon Arrows: Manufacturer: Fleetwood Color: Wood Grain Size: 340 Features of Fleetwood Natural Grain Carbon Arrows: Spine: 340 Inner Diameter: .244" Outer Diameter: .291" Point size: 5/16" Grains Per Inch: 10.34 for 340 spine Length: 31 1/2" Insert: 11gr Nock: Fleetwood Straightness tolerance: +/- .006" Weight tolerance: +/- 2gr Each arrow includes a replaceable insert and a nock Packs of six arrows Package Contents: Fleetwood Natural Grain Carbon Arrows