They come with 360 degree rotating nocks and aluminum inserts at no charge. This shaft size will handle up to a 60 lb bow. And they are 31.5 inches long.Nocks are Flo Red in color and have no metal collars. Easton Deep Six XD Straightness is +/. 003/1000 and weigh within +/-2 grains of each other. The item "Easton Deep Six XD 400 Carbon Arrows Mossy Oak Blaze Wraps Blazer Vanes 1 Dz" is in sale since Wednesday, March 1, 2017. This item is in the category "Sporting Goods\Outdoor Sports\Archery\Arrows & Parts\Complete Arrows". The seller is "bullseyefeathers" and is located in Cantonment, Florida. This item can be shipped worldwide.