emery sleevesFor interior grinding of rings in conjunction with a wooden mandrel. Subgroups wood mandrel nameversiondimensionsitem No.wood mandrelfor emery sleeves100 x 22 /11mm515840 emery sleeves nameversiongrain sizedimensionsunititem No.emery sleevesfine400 (0)100 x 21/13mm5 pieces515849emery sleevesmedium320100 x 21/13mm5 pieces515843emery sleevescoarse240100 x 21/13mm5 pieces515845