K-T Industries 4.5" X 5/8-11" X 60g T29 Bz Flap Disc
KT's Blue Zirconia Flap Discs can be used for the same applications as a resin fiber disc or grinding wheel. Each of the individual flap edges wear down very gradually to give extremely long life. Flap discs are much more economical than resin fiber discs because of the long use life. Maximum PRM 13,000.