Stonfo Razor Blades are precision-crafted double-edge blades designed specifically for fly and streamer tyers. Ideal for sculpting deer hair heads, these ultra-sharp blades fit perfectly in Stonfo razor blade holders, providing a steady hand and control over each cut. With adjustable flex controlled by a ring nut, these blades allow tyers to achieve a uniform, custom angle for precise trimming and shaping. Each pack includes 10 double-edge blades, offering ample supply for multiple tying sessions. Use caution with these extremely sharp blades to ensure safe handling and optimal results.