| Code No | QW-SD-402 |
| Size | 4"(100mm*2mm) |
| Application | Mainly dry used for grinding and polishing all kinds of stone |
| Advantage | Sharp, durable, fast glazing, soft and easy to operate, high efficiency |
| Grits | 50#/100#/200#/400#/800#/1500#/3000#or 0#/1#/2#/3#/4#/5# |