This fall protection roof anchor is a reusable anchor with hinged steel design for use on wood and metal decking.3M Reusable Roof Anchor 4000Contact Us to PurchaseDetailsEconomical roof anchor that can be used on flat or pitched roofsSuitable for wood and metal deckingFeatures a simple hinge design for easy installation and removalCan be used as part of a 3M flexible horizontal lifeline system