Profile: J Coker Ltd. specializes in rubber molding, casting discs, tool making, and compounding. We design and manufacture silicone and rubber moldings to specifications, tool making for compression and injection molding, and centrifugal casting discs for the pewterware and model craft industries, rubber and, silicone compounds. We serve automotive, avionic, railway, and electronic industries. Used by the giftware and model craft industries, our casting discs withstand the heat and pressure required for white metal casting in the manufacture of figurines, pewterware, and other gifts.