Reference code

Length (mm)

Diameter (mm)

Specific gravities (r/r_w)

Colour

LW

80

38

1.05

white

MW

44

20

1.05

white

SW

22

10

1.05

white

LB

80

38

0.97

black

MB

44

20

0.97

black

SB

22

10

0.97

black