1. Wheel screw 12 x 1,5 x 35 mm (tool #17) = 100K / month 2. Wheel screw 12 x 1,25 x 36 mm (tool #19) = 100K / month 3. Wheel nut M12 x 1,5 mm Height 30 (tool # 19) = 30K/ month 4. Wheel nut M12 x 1,5 mm Height 35 (tool # 19) = 50K/ month Stainless Steel Material Specs : 10B22V and 5135V , Hardness : 26 ~ 32 HRC Please request the quotations and LT.