Cork handles for fishing rods:
American Standard = length 18.5/through hole Ø 8mm
Western handle = length 18.5/through hole Ø 8mm
Fishtail = length 19.0/through hole Ø 8mm
Cigar = length 18.5/through hole Ø 8mm
Full catfish handle = length 18.0/through hole Ø 8mm
