B-Line series strut fitting complete the full line of our strut system and include many time and material saving solutions. These accessories are available in a variety of materials, finishes and configurations to work with B-Line series strut channel B-Line Post Base, Type U Square, 1 Channel, Centered Channel Position, 3-1/2 in Base Height, 6 Channel Mounting Holes, 6 in L x 6 in W x 1/4 in THK Pad, 4 Pad Mounting Holes, For Use With: 1-5/8 x 1-5/8 in B22 Series Channel, Steel, Zinc Plated General specifications Product Name Eaton B-Line series post base Catalog Number B280SQZN UPC 781011571535 Product Length/Depth 6 in Product Height 3.5 in Product Width 6 in Product Weight 3.05 lb Certifications Not Applicable Product Type Post base Model For channel type Fits channel B22 Type Square post base, centered Material/finish Finish Electro-plated Material Steel