Gold Tip inserts offer the ultimate in accuracy and precision. Precision crafted in the USA, these inserts are machined to the tightest possible tolerances to ensure maximum performance from your Gold Tip arrows. All Gold Tip inserts are compatible with their screw-in weight system (not included). The Brass insert is compatible with all gold tip arrows with an inside diameter of .246" and weighs 100 grains. If you are looking to add a little extra weight to the front of your arrow, this brass insert is an excellent option.