Hole Pro BT-002: Tungsten Carbide Blade Set - for X-Models ONLY NOT FOR T-200 Model Replaceable Tungsten Carbide Steel blade set for X-Model Hole Pro adjustable hole cutter For the Hole Pro X-148, X-230, X-230+, X-305, and X-425 Twin Blade Adjustable Hole Cutters ***NOT FOR USE with T-200 ***