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 hunter is looking for.  100% Steel Tough.  Cut-On-Contact Design.  Diamond Cut Sharpness.  One-Piece MIM Construction.  100% Spin Tested. 1" to 1 1/8" Cutting Diameter.