G&S Hypo Watch Crystal Cement This is a new tube of easy to use G-s hypo medium strength cement Great for model building, ceramic and plastic repair, fly fishing lures, watch crystals and repair, jewelry repair, beading. crafts, doll making, general house hold use fine screw locking and industrial applications Precision applicator for fine detail work Mess free, non-brittle and dries and stays water clear Sets in 10 minutes