G-S Hypo-Tube Cement 1/3oz. A multi-purpose craft product, G-S Hypo-Tube Cement has been used by watchmakers due to the perfect, clear finish. In addition to use on watches, this type of cement is the perfect solution for crafters who want to seamlessly bond together delicate materials. This cement can also be applied to the ends of craft string to keep the edges from tattering and becoming frayed. Each tube of cement contains 1/3 oz of product, is non-brittle and dries perfectly clear. Tube contains 1/3 fluid ounce.