The sponge as a sponge sandpaper and four pieces of sponge sand block as the matrix, finally in the sponge sand block sprayed with abrasive sand, a polishing material.
Top quality of sponge sand block on the show,AusToolGrind Expo.
The sponge as a sponge sandpaper and four pieces of sponge sand block as the matrix, finally in the sponge sand block sprayed with abrasive sand, a polishing material.
Top quality of sponge sand block on the show,AusToolGrind Expo.
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