Gold Tip Ultralight Entrada 600 Arrows with 4-Inch Vanes (Pack of 12) 1 dozen black carbon arrows with 4" vanes 5.7 grains per inch with a +/- 2 grain weight tolerance .246 GT-Series nocks and .246 Accu-Lite inserts included Shafts are 30" long, have a straightness tolerance of +/- .006", have a .600" spine, have an outside diameter of .280" and inside diameter of .246" Vane and nock colors vary