Yes. I set out on this quest not long ago and found these to be the answer. Others have been happy with 1/4 fur trees, but I like these since they are actually reusable, and are sturdy enough for a light mallet. Some are a little tight, but 100% better IMO than the LR version. 50 @ $8 shipped from the link below.
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King Series Trucks, Parts & Accessories - DISCO Automotive Hardware - Chrysler OEM: 06504090 5675PK Black Nylon Mud Skirt Rivets 1/4" Hole Size 9/16" Stem Lgth
www.kingseriespickup-shop.com