Use Discount Strut Accessories Electro-Galvanized Off-Set Beam Clamps in pairs to secure struts, channels, rods, beams or supports to run piping, conduit or tubing. Can support up to 65Lbs. Has a design load of 600Lbs with the W200 & 500Lbs with the W500. The electro-galvanized coating is best for indoor, dry settings.