Pack-12 Supra MK 5/8" Soft Natural Bristle Brushes-Unmounted With 1/8" Hole Chasing & Stamping they are constructed of aluminum

they are constructed of aluminum and include 2 interchangeable bushings that increase the diameter of the center bending rod

This tapered geometry provides improved access in tight spaces and greater precision at the cutting point

Sized appropriately for precision bench lathe work in jewelry

Spearhead High Speed Steel (HSS) 90-degree setting burs are hand cut by expert craftsmen in the USA

Well suited for forming men's and women's bracelets

Pack-12 Supra MK 5/8" Soft Natural Bristle Brushes-Unmounted With 1/8" Hole Chasing & Stamping they are constructed of aluminumSupra MK 5 8" Soft Natural Bristle Brushes are premium unmounted miniature brushes designed for professional jewelers and metalsmiths who demand consistent, reliable performance in fine finishing work. These brushes are made in the USA with solid steel ring construction, ensuring long lasting durability through repeated use. Brush filaments are permanently anchored in the solid steel ring and uniformly distributed for even, predictable wear across the