304(A2-70) stainless steel. screw 200pcs + nut 200pcs. screw 380pcs + nut 380pcs + washer 380pcs + hex key 4pcs. screw 700pcs + nut 700pcs + washer 700pcs + hex key 4pcs. screw 650pcs. Set A : total 400pcs.
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