Hard and sharp ceramic abrasive grit ensures high stock removal rates and long tool life; ... Stock programme Abrasive sleeves: CERAMIT CN 466 Z (Width x Ø) Standard design. 1 3/16" x 1 3/16" mm; 1 3/16" x 1 25/32" mm; 1 3/16" x 19/32" mm; Very suitable. Suitable. Other dimensions and designs on request.