Product form Pac-Dent - Pac-File NiTi, Rotary Files, Taper .04, # 55, 21 mm, 6/Pk $36.22 Durable Material: Made from flexible nickel-titanium (NiTi). Optimal Design: Taper .04 with #55 size. Length: 21 mm for versatile use.... Add to cart Reviews 0 reviews