| This 8" (nominal, actually measures 7.8" diameter) copper lap is affordable and made with high quality material so you can put a beautiful polish on any kind of stone. These laps are 1/16" thick with copper and are professionally bonded to a 1/4" aluminum base. To polish with these copper laps, simply charge them with either diamond paste or diamond powder. These laps don't need to be scored. Laps come in 6" and 8" diameters and have a 1/2" arbor.
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