Tru-square Metal Products Prepolish 1/2lb. (8oz) THU312 Thumler’s Rock Tumblers New in original packaging. This product is a 1/2lb. (8oz) prepolish from Tru-square Metal Products, specifically designed for Thumler’s rock tumblers. It is a high-quality product suitable for individuals aged 17 years and up. The brand is known for producing reliable and efficient tumbling media for educational and recreational purposes. This prepolish is perfect for those who want to enhance their rock tumbling experience and achieve better results.
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