Real simple deal. 1 inch polished stainless tubing, Any sprint car guy's in your area ? If so most of em have 1 inch dies for their benders as thats what they use for nerf bars. If you can't find any one local contact Johnny Murdock @
ZERO Motorsports 11012 C lin-valle. St. louis, MO 63123 (213)-714-1747(Hwy 55 & Lindbergh)