Dr. Slick Curved Scissors- Gold Loops. These Dr. Slick Curved scissors are the classics. Thin blades and sharp tips make the 3 1/2" and 4" versions ideal for small flies and detail work. Excellent with natural materials and can handle most synthetics. The 4 1/2" Curved Hair Scissors are designed for heavy hair and synthetic work. Available in 3 1/2", 4" and 4 1/2" curved, serrated blades.