Here is a Norton 180x6x31.75mm White Aluminium Oxide grinding disc. This is a 100 grit disc for precision grinding.
Norton Blaze Speed Lock 62322 Quick Change Grinding Disc 2 in 60 Grit (27 Ct)
NORTON 180X13x31.75mm GRINDING DISC 46 Grit
Norton Speedlok Grinding Wheels K80 (1 Pad Only)
Norton Speedlok Grinding Wheels K36 (1 Pad Only)
