Allied Pro-Grade XL PowerBlade 2-in-1 Folding Blade and Utility Knife For nearly 40 years, allied International has been committed to satisfying what you look for in hand tools. The Pro Grade XL PowerBlades are a go-to for any craftsman or handyman looking for a lightweight, comfortable, durable, and impressive blade to get the job done right. This particular utility knife features a quick blade release button, lightweight aluminum construction, non-slip comfort grip, and a safety lock button among other amazing features.