AAA DIE STONE Surface polishing for quenched steel AAA DIE STONE Brand：AAA DIE STONE Application: Surface polishing for quenched steel. Features: A best stone for quenched steel of HRC 47 to 63. Medium soft hardness of this stone give steel an excellent finishing and the sharp cutting of A grains enables polishing for hardened materials. Grit：#150 #320 #180 #400 #220 #600 Size： 1.5 x 6 x 150 3 x 6 x 150 3 x 13 x 150 5 x 13 x 150 6 x 6 x 150 13 x 25 x 150
AAA DIE STONE Surface polishing for quenched steel
AAA DIE STONE Brand：AAA DIE STONE
Grit：#150 #320 #180 #400 #220 #600 Size： 1.5 x 6 x 150 3 x 6 x 150 3 x 13 x 150 5 x 13 x 150 6 x 6 x 150 13 x 25 x 150