House Brand Dentistry Endodontic Reamers 21 mm #06, Stainless Steel 6/Box. HSB - House Brand Dentistry's Reamers Stainless Steel, 400500, offer exceptional quality for endodontic procedures. This pack of 6, 21mm #06 reamers combines strength and durability, ideal for shaping and enlarging root canals.Their specialized cutting action ensures efficient dentin removal, while the ergonomic handles provide superior control and comfort during treatment.