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Chrome-bevel sheet on grid paper — specs and return notes filed under the bay.
Weight: 133g
All I know is that they are stromatolites and the color contrast is wicked cool
4mmShaft Diameter: 27
authenticity
Copper Lap - Polishing Lap Diameter:150mm Weight: 133gDescription: The copper laps are clean; in the photos they appear to have weird patterning. but it is just oil residue from the machine oil being pressed on under a shrink wrap coating to keep them clean. Copper laps are for faceting. They are to be scored with a knife and impregnated with diamond powder or any other polishing particle type. The softness of the copper will gum up and hold the particle within. Keep them clean and you can use them over
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