Slice® Exothermic Cutting Rods Uncoated, 3 8 in x 36 in, 25 each carton ORS NASCO H Arbor Diam [Nom] 7 8 H Arbor Diam [Nom] 7 8 in Big Catalog NO Body Material Phenolic Backing Brand Weiler Catalog Welding Catalog Color Dark Gray Construction Catalog NO Country of Origin US Dia Ideal for digging or harvesting potatoes and similar types of vegetables Can also be used to transfer manure and loose material or even for general garden clean up The Arcair® SLICE systems can cut non metallic or composite material Cutting rods can sustain the burn with and without constant electrical power once ignited One piece patented construction maintains the balance necessary to sustain the exothermic reaction