Square Dowels with Flange Dowel Boxes are suitable for use in construction joints in both ground and elevated slabs. Suitable for post-tension slab joints and also in elevated slabs as a shear connector. Allow for large lateral movement and have expansion joint capability. Boxes formed from galvanized sheet steel with rigid foam void filler inside. Supplied with integral nailing flanges with location marks. Available in galvanized or stainless steel and only for 16 – 40 mm square dowels.