Brand: Allstar Performance Manufacturer's Part Number: ALL14196 Part Type: Ballast Mounting Brackets Product Line: Allstar Performance Ballast Brackets Automotive Fittings Part Number: AAF-ALL14196 UPC: 848238070422 Clamp Style: Round roll bar Clamp Material: Aluminum Clamp Color: Black Tube Diameter (in.): 1.625 in. Quantity: Sold individually. Notes: Clamp has a 1/2 in.-13 bolt hole for mounting ballast. Description: Allstar Performance ballast brackets are used for mounting ballasts or other components that need to be moved or adjusted easily. These aluminum anodized 2-piece clamps are available for round or square roll bars, and come in sizes for more than a dozen bar diameters. They include a tapped hole for a ballast mounting stud (sold separately). Order the model that best fits your vehicle.