Easton 5mm Axis Arrows with Half Outs 260 6 pk. 5MM AXIS: small-diameter, uniform ACU-CARBON construction;Comes with pre-installed 5MM (X) nocks;Factory fletched with 2" Blazer Vanes in a helical pattern;Includes 5MM HIT-8-32 inserts OR 5MM aluminum half-out inserts;Straightness tolerance: ñ.003";Made in the USA;5MM Aluminum 8-32 Half-out: 25 grains;5MM X Nock: 9 grains;Pack Size: 6