The Standing Seam Roof Anchor is a revolutionary product allowing roofing contractors, building owners and homeowners to work safely on standing seam metal roofs without penetrating the panels. This anchor will fit over 500 standing seam panel profiles with no reassembly required. Fits Steel panels only with a minimum 24-gauge thickness. These include T-Seams, Bulb Seams, SnapLock, Single Lok, Double Lok.