Simpson ATR 1 in. x 24 in. HDG All Thread Rod Fully Threaded Steel CNW HSCNW Coupler Nuts 14 gauge steel construction provides 14 gauge steel construction provides the structural rigidity required for demanding truss to top plate and general framing applications Anchor design allows for follow up expansion after setting under tensile loading maintains reliable holding strength even as loads are applied length offers a practical working length for floor to floor holdowns and a wide variety of anchoring configurations before any field cutting so it integrates directly into proven holdown and structural anchoring assemblies rather than serving as a generic substitute