Machine type Double edging machine size(DxTxH)/mm] φ175x40x12,φ175x40x22 Grit 80# 100# 120# RPM 2800r/min material diamond usage Craft glass/ building glass etc. Detail Durability,sharp grinding with good performance. For grinding 8-25mm glass, suggested grit is 80#. For grinding 5-19mm glass, suggested grit is 100#. For grinding 3-5mm glass, suggested grit is 120# or above. For more detail, feel free to contact skype \"ftmbrian” package carton