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

The M-133A works in combination with the M-133B to complete the fluting process on concave surfaces

while the practical drill depth scale with adjustable limit stop keeps every operation consistent

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

repeatable surface finishing

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