Wera 042672 Square Drive Size Adapter, 3/8" to 1/4"
U.S. Solid 2pcs Brass Pipe Fitting Adapter, Male Pipe x Female Pipe, 1/2" x 1/2", 1/2" x 3/4", 1/4"x 1/4", 1/4" x 3/8", 1/8" x 1/4", 1/8" x 1/8", 3/8" x 3/8" -
Adapter for Tripods 3/8'' to 1/4'' - 120 | Manfrotto US
Amazon.com: ledmomo 1/4" to 3/8" Camera Tripod Thread Adapter Convert Nut Screw Adapter(10PCS) : Electronics
Everbilt 3/8 in. Flare x 1/4 in. MIP Brass Adapter Fitting 801539 - The Home Depot