10pcs wool felt mounting polishing wheel outer diameter 8-11.8mm drill bit grinding Rotary tool grinding head 2.35mm shank
https://www.vogueparade.com/shopping/EN/1428/6/1005002805235647/10pcs-wool-felt-mounting-polishing-wheel-outer-diameter-8-118mm-drill-bit-grinding-rotary-tool-grinding-head-235mm-shank//