Steel Shots sizes in mm are 0.2mm to 1.5 mm and the steel shots grade is S-070(0.20mm), S-110(0.30mm), S-170(0.42mm), S-230(0.60mm), S-280(0.71mm), S-330(0.84mm), S-390(1.00mm), S-460(1.19mm), S-550(1.41mm).