Need a shotgun mic spacer?
 

https://www.servicesplus.sel.sony.co...17988201.aspx#

Inner diameter 18mm, outer diameter 24mm. :-)

Paul

Re: Need a shotgun mic spacer?
 

Go down to your local Auto spare store and get 2 'O' rings that fit, for a few cents they work a treat. (get a few more and keep in your kit as spares)

Re: Need a shotgun mic spacer?
 

Not all mic holders are alike. My Sony handheld camera mic holders have soft hollow spongy knobs/nubs inside. Not much to shim with those.:-)

Paul

Re: Need a shotgun mic spacer?
 

Check eBay for Rubber Tube Washer.