These are not suitable for rivet on coupling type.
No.21___OO/HO HORNBY MAGNETIC COUPLER TYPE PIVOTING REPLACMENT 5 PAIRS,
No.23___OO/HO HORNBY MAGNETIC COUPLER +4mm TYPE PIVOTING REPLACMENT 5 PAIRS,
No.22___OO/HO HORNBY MAGNETIC COUPLER +2mm TYPE PIVOTING REPLACMENT 5 PAIRS,
