Check the listing for details. KEN TOOL 35440 Blue Cobra Truck Tire Demount Tool NEW!!. Condition: New. Listed at 298.99 USD. Ken-ToolBlue Cobra® Truck Tire Demount Tool • The Ken-Tool Blue Cobra® Truck Tire Demount Tool is ergonomically designed to allow a technician to quickly remove the tire from the rim on the floor with a single tool • The Blue Cobra® tool is designed to service 20-, 22.5- and 24.5-inch rims mounted with tube or tubeless style wheels up to 13-inches wide • The Blue Cobra® tool’s secret is found in its unique head made from premium grade steel, and equipped with two heavy-duty, industrial nylon rollers which protect the rim and provide rolling fulcrum points to reduce user fatigue • The head is press fit into the ergonomic shaped handle, fabricated from heavy gauge steel tubing and equipped with a non-slip handle grip • Since the Blue Cobra® tool is made from steel, it will provide longer service life compared to non-ferrous tools made of brass or bronze