Sander safety scale
The sander safety scale lets workers verify that the openings between the belt and disc and the tables on sanders are 1/8-inch or less. The bronze-colored scale is made out of durable, 0.09-inch thick anodized aluminum and has easy-to-read text and graphics that will not rub or scratch off. It is about the size of a credit card, which makes it convenient to carry and store. Features include a ¼-inch diameter hole for attaching to sanders and a ruler along the back edge to measure openings for compliance.
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