Easton 4mm Titanium Half Out 55gr Inserts - 6pk - Super-strong titanium half-out system that solves the desire of bowhunters who want to use regular 8-32 broad heads in micro diameter arrows. Precision machined from TI–6 series high-strength titanium for high strength-to-weight ratio, providing a better tune with your preferred arrow shaft than overly heavy steel half-outs, and superior durability over aluminum half-outs. Features Easton’s HP high-precision alignment technology for unsurpassed broadhead alignment and concentricity. Super strong titanium Allows for regular 8-32 broadheads to be used in Deep 6 arrow shafts Features Easton’s HP high-precision alignment technology