description medium bond metal grinding disks - 24 grit 24 grit medium bond diamond concrete polishing disk. for national flooring equipment gp3000 concrete grinder and polisher. california proposition 65 warning. features 24 grit for national flooring equipment gp3000 concrete grinder and polisher medium bond polishing disk specifications acme tools brand name national flooring equipment acme tools part number 501000-m assembled weight (lbs) 3 california proposition 65 warning required yes country of origin united states globaltradeitemnumber (gtin) 00400010010158 package contents 1 polishing disk package depth 6 package height 3 package weight 4 package weight (lbs) 4 upc 400010010158