Material: chrome steel Outer diameter: 9/32=7 19/64=7 5/16=7 Weight: 100/125/150/200/250/300 grains Note: The arrow is a common thread, It cannot be used alone, Must be equipped with an arrow shaft with an internal diameter of aluminum seat Note: 1:Please notice that the genuine coloration of the thing may be slightly varied from the photographs shown on website attributable to many factors 2:Please enable slight deviation for the dimension information