O`Brien - A Product of Hi-Vac Corporation 117 Industry Road , Marietta , OH 45750 USA About Solutions products Companies O`Brien - A Product of Hi-Vac ... Products Tapered Spiral Saw Blades Tapered Spiral Saw Blades From Saw Blades/Rippers 0 Share Spiral spring-like design makes for a more aggressive of the root cluster. Ideal for fine tree roots. Most popular related searches rooting Customer reviews No reviews were found for Tapered Spiral Saw Blades. Be the first to review! Add your review Publish your review Great! review successfully added!