Core In Silicone Ring Blank Mold - Size 14-17 John's Alumilite Pen Blanks Built from durable metal

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Core In Silicone Ring Blank Mold - Size 14-17 John's Alumilite Pen Blanks Built from durable metalCore In Silicone Ring Blank Mold Size 14 17 Use this high quality and durable silicone mold to make core in ring blanks. Extra thick walls and base ensure minimal to no flexion. These Ring blank molds allow you to make a ring with resin to fit any of the stainless Steel Ring cores. Full Sizes 14 17 For use with alumilite, epoxy, and polyester resins.