The BULLDOG side wind crank assembly is designed for BULLDOG trailer jacks, and is a genuine replacement part. Using genuine BULLDOG replacement parts is the best way to maintain the integrity of any BULLDOG product as it is manufactured by the most trusted name in the industry.• Sidewind crank for round tube Bulldog jacks• Capacity 7000/ 8000 lbs.• 8.5 In. radius• Complete with black knob• Series 190 square jacks• Crown 7000 lbs.• 3 year limited warranty Material: Steel Handle Bushing Included: Yes Hardware Included: Yes | Fulton Bulldog Trailer Jack Accessory, Sidewind Crank Assembly for 190's in Black