Can be used with the Pro 2.0 Push Tubes to allow the Plow System to attach OEM plow mounts that come installed on certain machines. Please verify compatibility with your machine mounting tabs.Ear Spacer Kit for the PRO 2.0 Square Tube (106300)Mounting Hardware included3/8" Spacers (x4)Grade 50 Steel ConstructionPowder-coated Black for supreme durabilityDoes NOT work with Discontinued push tubes #105635Made in the USA