concrete form tie, aluminum form tie are used in aluminum form assembly, is is as spacer, the width is 33mm, thickness is 1.9mm or 2.0mm, the length suit wall thickness 80mm, 90mm, 100mm, 120mm, 150mm, 200mm, 250mm, 300mm, 350mm, 400mm, 450mm, 500mm, 550mm, 600mm, till 1500mm.