Specifications:

1.35 * 25mm black copper cap nail weighs about 0.43g

1.4 * 25mm core copper head nail weighs about 0.45g

1.4 * 25mm tapered core copper cap nail weighs about 0.54g

1.8 * 35mm large copper head nail weighing about 0.96g

Three black nails each 25PCs = 75PCs boxed (weighing about 60g)

Three black nails each 30PCs = 90PCs boxed (weighing about 70g)

40PCs for each of the three black nails = 120PCs boxed (weighing about 88g)

Three black nails each 50PCs = 150PCs boxed (weighing about 107g)

Four black nails each 30PCs = 120PCs boxed (weighing about 87g)

Two black nails each 25PCs = 50PCs boxed (weighing about 35g)

Two black nails each 50PCs = 100PCs boxed (weighing about 59g)

1.35 * 25mm * 50 pieces in a box (weighing about 36g)

1.35 * 25mm * 60 pieces in a box (weighing about 41g)

1.35 * 25mm * 70 pieces in a box (weighing about 46g)

1.35 * 25mm * 100 pieces in a box (weighing about 58g)

1.35 * 25mm * 120 pieces in a box (weighing about 68g)

Other combinations (can be matched with any box size)