Easton 5mm FMJ Shafts with Half Outs 500 1 doz Black. These shafts come with 5mm HIT 8-32 inserts and pre-installed 5mm X Nocks. They are engineered with a small diameter high-strength carbon core and a 7075-alloy metal jacket for easy target pull and durability. Each pack includes components like the 5mm HIT Insert and X Nock. Specifications for Easton 5mm FMJ Shafts with Half Outs: Manufacturer: Easton Color: Black Diameter: 5 mm Straightness: 0.002 in Fabric/Material: Carbon 7075 Alloy Features of Easton 5mm FMJ Shafts with Half Outs: 5MM micro (X) diameter for a smaller profile Harder-hitting capability for significant impact Increased penetration with more pass-throughs Small diameter with a thick-wall carbon-fiber core High-strength N-FUSED carbon core with 7075 alloy metal jacket Easy removal from high-density targets Guaranteed straightness of Package Contents: Easton 5mm FMJ Shafts with Half Outs Easton 401234: 5mm FMJ Shafts with Half Outs 500 1 doz Black