Product form Pac-Dent - Pac-File NiTi, Rotary Files, Taper .04, # 40, 31 mm, 6/Pk $36.22 Taper: .04 for efficient shaping. Size: #40 diameter, 31 mm length. Pack: 6 files per pack. Material: High-quality NiTi for... Add to cart Reviews 0 reviews