The replacement FR Flash Receiver Cork fits between the FR arm and the bracket arm, 1/16" thick x 7/8" diameter, sold in packs of two.
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Comments about Custom Brackets FR Flash Receiver Cork:
The corks on my Stroboframe R4b Bracket wore out. I improvised with some cork from my tackle box lining...nope, too soft.
This stuff is just what the Doctor ordered.
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