3 micron Kemet diamond polishing compound. New boxed and brand new. 3-hd7 20g These are the bigger 20g syringes and genuine Kemet.! I’ve a lot of these and would consider a discount if you wanted a bulk buy throu eBay. The 3 micron is the finest grade and the hd7 in means high density diamond percentage usually they only go to 4 and being Kemet the quality is next none. I’ve used this for many years polishing mirror finishes on steel, it’s also really good at getting tarnished jewellery back to mirror.!
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