Original retainer included with the Avails original offset handle.
Also compatible with some Shimano reel retainers.
Reels compatible with Shimano genuine retainers
07 Methanium Mg Series
Aldebalan Series
Compatible with Scorpion DC series and other genuine retainers.
The center of the handle nut to the center of the fixing screw is 0.4 inches (9 mm).