House Brand Dentistry Endodontic Reamers 21mm #15, Stainless Steel 6/Box. HSB - House Brand Dentistry's Reamers Stainless Steel 400503, a premium pack of 6 high-quality 21mm reamers, are essential for efficient endodontic procedures. Crafted from durable stainless steel, they offer strength, precise cutting, and resistance to wear.Ideal for straight or slightly curved canals, their ergonomic handles ensure comfort and control, enhancing treatment efficacy.