Non-Circular, Non Interrupted, Flat Sided Endodontic Instruments. Stainless Steel: 2 of # 08, 2 of #10, 2 of #15, 2 of #20, 2 of #25, 2 of #30, 2 of #35, 2 of #40. Nickel-Titanium: Two No. 30/.04, Two No. 25/.06, Two No. 25/.08. Two Pleezer Reamers, Endodontic Sterilization Tray.