Easton 4mm FMJ Match Grade 300 W/ 3in AAE Hybrid Vanes 6-Pack. 4MM FMJ Match Grade is an ultra-micro diameter shaft that offers less wind drift and minimizes friction to provides the industry's best penetration. Precision-made in Easton's USA factory FMJ features a lightweight strong carbon backbone with the added KE and accuracy of a precision -drawn aluminum jacket. 4mm Match Grade Aluminum 8-32 point half-outs (55 grains) come standard. Compatible with Easton's full lineup of 4MM Match Grade Halfouts. Specifications for Easton 4mm FMJ Match Grade 300 W/ 3in Aae Hybrid Vanes: Manufacturer: Easton Archery Application: Target Color: Black Fabric/Material: 4mm Carbon Core w/ 7075 Jacket Quantity: 6 Pack Length: 32.5 in Finish: Diamond Plated Diameter: 4 mm Overall Length: 32.5 in Shaft Length: 32.5 in Nock Type: 4 mm H Style Straightness: 0.001 in Dimensions: 1.75 X 3.45 X 33.45 in Width: 3.45 in Height: 1.75 in Package Contents: Easton 4mm EMJ Match Grade 400 W/ 3 in Aae Hybrid Vanes