Tungsten Carbide Buffing Disc It is a special tool for grinding or buffing . Longer service life and faster buffing compared with copper-carbide discs. Recommended for angle grinder L 1202 (567139). Risk of damage to bearing when used with less powerful angle grinders. No. Spec. Grit 552531 125mmX22mm K18 552548125mmX22mm K23 552555175mmX22mm(use with L1202)K18 552562 175mmX22mm(use with L1202) K23