The Dart features a pressed-on 100% steel Stainless Smart Tip (SST),.027" thick stainless steel blades with a lightweight, ultra compact aerodynamic aluminum ferrule that will provide field point accuracy and easy tuning. The Dart also features a 1-1/8" x 1-1/8" cutting diameter for total cutting surface of an incredible 2 1/4 inches. As with all Wasp fixed blade broadheads, the blades are easily replaceable and every pack comes with 2 extra sets of blades.