Model Number: 3"-12" blade-#1729 Brand Name: qichuan Key Specifications/Special Features: Material: aluminumPaint finish: white, black, brownThickness: 0.9-0.95mmBlade size: 6"Size: 1-3-9-12 bladesPacking: each pair/bag, 10 pairs/ctn SIZEEACH PAIR NET WEIGHT KGS/CTN CBM/CTN 3 BLADES 337G 4.0KG 0.0108 4 BLADES 450G 5.1KG 0.0142 5 BLADES 560G 6.5KG 0.0175 6 BLADES 680 7.6KG 0.0209 7 BLADES 790 8.7KG 0.0242 8 BLADES 900 10.0KG 0.0276 9 BLADES 1000 11.2KG 0.0310 10 BLADES 1125 12.45KG 0.0343