1.Each item can be devided into hard and soft two types.
2.SPEC of flap disc is 100*16.
   grain of flap disc is 40#-600#. 
3.SPEC of red sisal wheel is 100*16.
4.Diameter of big sisal wheel is 850 and 300,in accordance with the demands of clients to make special order of diameter.
5.SPEC of thousand flap disc is 110*25 and 150*25.
6.Sample processing, in accordance with the demands of rubber or plastic.