description half bar diamond insert - metal bond 6 grit used for light, medium, and aggressive concrete grinding and profiling as well as sealer and top coat removal. can be used for both residential and industrial applications. perfect for leveling concrete high spots and repairing imperfections as well as creating the perfect profile for accepting new coatings and epoxies, or preparing concrete for polishing. metal bond diamonds can be used with all national planetary and passive planetary grinders. california proposition 65 warning. features used for both residential and industrial applications removes thin epoxy, paint, adhesives, and sealers can be used with all national flooring planetary and passive planetary grinders perfect for leveling concrete high spots and repairing imperfections specifications acme tools brand name national flooring equipment acme tools part number 9507-6 assembled weight (lbs) 5 blade width (in) 4 california proposition 65 warning required yes country of origin united states globaltradeitemnumber (gtin) 00400507001706 knife / blade/ scraper type grinder insert package contents 1 half bar diamond insert package depth 5 package height 2 package weight 6 package weight (lbs) 6 upc 400507001706