●U-nitt Premium carbon steel bonsai tools: due to the nature of carbon steel, in rare cases, spots of light rust can occur on some tools. A dab of all purpose oil should take care of it. This procedure should be a routine maintenance of carbon steel tools in general. ●tools will come in a nylon case, fully inspected and lightly oiled, with a 3 year extended warranty ●3 tools included: 8" concave branch cutter, 8" wire cutter; 7.5" Ashinaga;