Size No.

Top Side
Inches

Top Side
MM

Bottom Side
Inches

Bottom Side
MM

Length
MM

Diameter in MM
1-Hole

Diameter in MM
2-Holes

Black Rubber Approx. per pound

000

1/2

12. 7

5/16

8.2

21

3

–

183

00

19/32

15

13/32

10

25

3

3

106

0

21/32

17

1/2

13

25

3

3

76

1

3/4

19

9/16

14

25

4

4

64

2

25/32

20

5/8

16

25

5

5

52

3

15/16

24

23/32

18

25

5

5

39

4

1

26

3/4

20

25

5

5

33

5

1-1/16

27

29/32

23

25

5

5

28

5-1/2

1-7/64

28

31/32

24

25

5

5

25

6

1-1/4

32

1-1/32

26

25

5

5

21

6-1/2

1-11/32

34

1-1/16

27

25

5

5

19

7

1-7/16

37

1-3/16

30

25

5

5

15

7-1/2

1-1/2

39

1-1/8

31

25

5

5

14

8

1-5/8

41

1-5/16

33

25

5

5

12

8-1/2

1-11/16

43

1-13/32

36

25

5

5

11

9

1-3/4

45

1-15/32

37

25

5

5

10

9-1/2

1-13/16

46

1-1/2

38

25

5

5

9

10

1-31/32

50

1-5/8

42

25

5

5

8

10-1/2

2-5/64

53

1-3/4

45

25

5

5

7

11

2-13/64

56

1-7/8

48

25

5

5

6

11-1/2

2-15/32

63

2

50

25

5

5

5

12

2-1/2

64

2-1/8

54

25

5

5

5

13

2-11/16

68

2-9/32

58

25

5

5

4

13-1/2

2-31/32

75

2-7/16

62

35

5

5

3

14

3-1/2

90

3

75

39

5

5

9-1/2  Oz.

15

4

103

3-1/4

83

39

5

5

12-1/2 Oz.

16

5

127

3-1/2

90

50

5

5

21-1/4 Oz.