description super soft single bar diamond insert - metal bond 25 grit extremely aggressive coating removal with super soft matrix for hard concrete or heavy cure and seal treatments, perfect for breaking surface tension. 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 for hard concrete or heavy cure and seal treatments, perfect for breaking surface tension 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 9504-25 assembled weight (lbs) 5 blade width (in) 4 california proposition 65 warning required yes country of origin united states globaltradeitemnumber (gtin) 00400504000610 knife / blade/ scraper type grinder insert package contents 1 diamond insert package depth 5 package height 2 package weight 6 package weight (lbs) 6 upc 400504000610