The Panther Fixed Auxiliary Motor Bracket is designed for those rugged individuals who prefer to use their own strength to lift up their motors. It comes with an adjustable 13" setback feature and is made of 713 alloy aluminum.• For those who prefer to use their own strength to lift up their motors• 13" setback• Made of 713 alloy aluminum Made of 713 alloy aluminum | Panther Fixed Auxiliary Motor Bracket Model 435