Complete installation by pulling the ball knob on the rack and lowering the sliding lip over the blowerDesigned specifically for the Stihl 350 and 430 blowers ONLYStandard shackle padlock installs easily to help prevent theftUnique design tightly holds blower in place at top and bottompreventing virtually all movementDoes NOT include mounting hardwareHeavy gauge welded steel construction is plated for corrosion resistanceSimply set blower on lower posts and pivot the top toward the rackallowing the sliding lip to slide under the handleManufacturer warranty appliesExtremely fast in and out timeMounts on open or enclosed trailers