The TRI-BUILT® Cuttingedge Super Jumbo Electrical Block has locking positions .875", 1.125", 1.375", 1.625". It can be used on standard or insulated siding. It also used with larger coach lamps and smaller electrical and water meters.

TRI-BUILT® provides quality residential and commercial building materials that deliver professional results. By focusing on the professional contractor, TRI-BUILT® has become a recognized and trusted leader in the construction industry. From roofing and siding materials, windows, coatings, and more, TRI-BUILT® is a name you can trust at a competitive price.