... 100 Air Grinder This tool is portable face air grinding wheel. High efficiency,small volume,little weight,high poewer SD-100 Face Air Grinding Wheel Air ... grinder Wheel size(outer diameter×thickness×inner diameter) 100×6×16mm Air ... 170×52×125mmThis tool is portable face air grinding wheel,High efficiency,small volume,little ... ,for operation safety. SD-100 Air Grinder