Floats Sinkers

Floats Sinkers and bobbers: 

Pieces of plastic, cork, or other material that floats are attached to fishing line above the lure and hook to suspend them in the water so they attract fish near the surface.

Floats - Sinkers

Sinkers: 

Pieces of metal, rubber, or other material that readily sinks are attached to the fishing line above the lure and hook to take them down into the water or to the bottom, to attract fish that feed in deeper water.

Sinker weights:

The numbers that you see on sinkers are actually their weights.

Egg Sinkers  Bank Sinkers
Number (Weigth in Oz) Weight (Grams) Number (Weigth in Oz) Weight (Grams)
1/8 3,5 1 28,3
1/4 7,1 2 56,7
3/8 10,6 3 85,0
5/8 17,7 4 113,4
1/2 14,2 5 141,7
3/4 21,3 6 170,1
1 28,3 7 198,4
1 1/2 42,5 8 226,8
2 56,7 9 255,1
3 85,0 10 283,5
4 113,4 12 340,2
6 170,1 1 lbs (16 oz) 453,6
8 226,8

Do lead fishing sinkers threaten the environment?