Plasti-Bond PVC coated beam clamps are used to securely support conduit runs by attaching them to beams, angles, trusses and other structural members. They are available in four different styles: Right Angle : to attach the conduit run at a 90degree angle to a beam or structural member. Parallel : to attach the conduit run parallel to a beam or structural member. Edge : to attach the conduit run at a 90degree angle to a thin beam or structural member. Hanger Rod Beam Clamp : to attach a single all thread rod to a beam or structural member.