Amazon.com : Camera Screw Adapter Thread 1/4" Male to 3/8" Female and 3/8" Male to 1/4" Female Adapter Set for Camera Monitor, Tripod, Mount : Electronics
1/4'' to 3/8'' screw thread converter-adapter | TeleprompterPAD.com
Adapter, Male 3/8″-24 UNF – 1/4″ MNPT
ToolPRO Socket Adaptor From 1/4"F to 3/8"M | Supercheap Auto
ADAPTER 3/8"-1/4" ART.238.7, 607977 - Kamm
3 Piece Socket Adapter Set Increasing 3/8" 1/2" 3/4" Female 1/4" 3/8" 1/2" Male - Walmart.com
$0.99 1/4 inch to 3/8 inch Screw Thread Adapter IN STOCK | Buy Cameras Direct Australia
Manfrotto 088 Adapter 3/8" to 1/4" | MUSIC STORE professional
Husky 1/4 and 3/8 in. Drive Adapter Set (3-Piece) HADPTR3PC - The Home Depot