Product name Resin diamond grinding wheel(Bowl wheel). Details It is mainly used for grinding carbide tools. D T J W X H 75 10 32 3/4/5/6/10 3/4/6/8/10 Per request 100 10 45 125 10 51 150 10 57 200 10 100 250 13 125 Resin Bond Grinding Wheel website:http://www.jd-grindingwheel.com/diamond-grinding-wheel/resin-bond-grinding-wheels/