The HOLDRITE #108-20 and #180-26 are Copper-Bonded steel bracket with holes for 1/2" tubings on 2" centers, holes for 3/4" and 1" pipes on 4" centers. Featuring a rolled-edge for added strength, and extruded holes for easier soldering. The #108-20 and #180-26 are designed to positions copper water supplies for urinals lavatories and other fixtures. When soldering, heat the pipe, not the bracket.