description 4-up pcd micro designed for aggressive concrete stock removal as well as coatings, glues, mastics, and other floor covering adhesives. pcds and carbides can be used with all national planetary grinder machines. california proposition 65 warning. features designed for aggressive concrete stock removal pcds and carbides can be used with all national planetary grinder machines removes heavy stock, adhesive, thin set, and epoxies also removes coatings, glues, mastics, and other floor covering adhesives specifications acme tools brand name national flooring equipment acme tools part number 9557n assembled weight (lbs) 1 california proposition 65 warning required yes country of origin united states globaltradeitemnumber (gtin) 00400557000469 package contents 1 pcd package depth 6 package height 2 package weight 2 package weight (lbs) 2 upc 400557000469