Product Name: lock button
Model:
Size: M6*80
Surface treatment: blue and white zinc
Tolerance range: positive and negative 0.1mm
Packing method: carton
Price: 20 thousand pieces more than 1.3 yuan per piece
          5000-1 million pieces of 1.5 yuan per piece
          2000-5000 pieces of 1.7 yuan per piece
          2000 pieces below 2 yuan.