Dr. Slick Adjustable Tension Razor Scissors - DR.SLICK products are produced with top quality stainless steel on the finest German and American machinery available. This ensures quality, durability, and consistency. Dr. Slick has full confidence in the products they produce and that is why they back every item with a 100% satisfaction guarantee. If you want the highest quality fly tying tools available today, you'll want DR.SLICK. Possibly the sharpest scissors ever designed. Think razor blades with handles. Adjustable tension knob increases or decreases the blade tension. Use for cutting through natural and synthetic materials. Made from 440 grade J2 steel. The ultimate tying scissors.