Product Code	D x G / mm
MB	20 x 1/2"
MB	20  x 3/4"
MB	25 x 1/2"
MB	25 x 3/4"
MB	25 x 1"
MB	32 x 3/4"
MB	32 x 1"
MB	40 x 3/4"
MB	40 x 1"
MB	40 x 1 1 /4"
MB	50 x 1 1/2"
MB	50 x 2"
MB	63 x 2"
MB	75 x 2 1/2"
MB	90 x 3"