... 300mm50, 100, 200,250,300,400,500,600,0.03,0.04, 0.05,0.06,0.08,0.103. Specification of metallic substrate: Shapesize(mm ... .93"× 3"RotundityΦ 3.90"× 3"RotundityΦ5.87"× 4"RotundityΦ3.93"× 3"Rotundity Φ5.89"× 4"RotundityΦ4"×3.94"Race track2.81"× 3.0"× 3" Rotundity ... Φ4.33"×5.12"Race track3.31"× 5"× 2.75"Note: We can supply Metallic Substrate coated ...