Zinc

420 pcs in total, including 50 pcs flat head screws(6#-32x6), 50 pcs hard drive screws(6#-32x5), 30 pcs standoffs screws(m3x6+6), 30 pcs fans retaining screws(m5x10kb), 30 pcs chassis high-strength screws(6#-32x6), 50 pcs ssd screws(m3x5), 50 pcs ssd screws(m3x3), 70 pcs insulating gaskets(m3x8), 50 pcs main board fixed screws(m3x5x7), 10 pcs thumbscrews(6#-32x6), enough for computer repair in daily life.