TS punched section with mounting flange, 23 x 73 mm, For the inner mounting level, material: Sheet steel, surface: Zinc-plated, supply includes: Assembly screws, description: The alternative to the TS punched section with mounting flange 17 x 73 mm, with punchings for captive nuts/threaded blocks instead of the slotted holes top and bottom. Simply locate and secure. Packaging Unit: 4 pc(s).