The arms have a changeable end from hook fitting to straight bayonet fitting. The ends of the arm are 5.2mm wide.
A NOS Quinton Hazell Singer Hunter & SM1500 Steering Kingpin and Bush Set (Pair)
A nos Genuine Leyland Austin Metro MK1 RH REAR RADIUS ARM NAM7878
A NOS Austin A60 Cambridge Morris Oxford MG Magnette Mk 4 Gear Lever Gaiter
Blue Point Snap-On Spare Tips For PR-37, PR-38