The Stonfo Elite Whip Finisher is machined out of high quality stainless steel. This premium whip finisher tool has a tension spring that allows for a smoother release of the thread when finishing your flies. The handle has a nice taper with two added rubber o-rings that make this finisher a perfect fit in your hand. This whip finisher is from Stonfo's Elite series of tools and is truly a work of art! You'll love finishing your flies with it!