The Montec broadhead's foolproof design combines tough one-piece, all-steel construction with 100% spin-tested accuracy. With no components to assemble or replace, simply screw on and shoot. This simple to use, high-performance broadhead is what every hard-core hunted is looking for. solid one piece head to thread construction head to thread construction cut-on contact design 100% steel tough resharpenabble and reusable 123