Straight Cross Arms STRAIGHT CROSS ARMS Constructed of 11G Square Steel tubing, 2” 3/8 Tenon. SCA mount over 2” 3/8, 3”, 3” 1/2, 4” and 5” Outside Diameter and secured with 3/8 Set Screws. Aluminum Pole caps in both ends. Straight Cross Arms Spec. Sheet Straight Cross Arms Spec. Sheet Cross Arms_Brochure Cross Arms_Brochure Previous Next