SIZE

inch

1/2

3/4

1

11/4

11/2

2

21/2

3

4

6

mm

15

20

25

32

40

50

65

80

100

150

A

110

110

123

179

186.5

198.5

208.5

232

260

356

B

53

53

60

81.3

88.5

99.5

110.5

131

159

220

C

42

42

47

58

66.5

78

92

109

138

199

D

15

21.4

27.4

34

40.5

53

56.5

79.4

104.8

157

E

8

14

20

25

31

43

55

68

92

140

K

43

51

60

61

64

78

85

102

110

141

L

75

83

100

109

113

132

144

162

172

213