Catalog number Nominal size Inner diameter min.
(mm)
Inner diameter max.
(mm)
Outside diameter min.
(mm)
Outside diameter max.
(mm)
Min bending diameter
(mm)
G20680300 3/8〞 9.50 10.00 15.50 16.60 89.00
G20680400 1/2〞 12.29 12.80 18.50 19.00 102.00