316 Stainless Steel, 3/8 in x 1/4 in Fitting Pipe Size, Reducing Adapter - 1DFY1|6-4 RA-SS - Grainger
Husky 3/8 in. Female to 1/4 in. Male Drive Adapter HADPTR3814 - The Home Depot
Kobalt 1/4-in x 3/8-in Adapter in the Air Compressor Fittings department at Lowes.com
1/4-28 to 3/8-24 Adapter - Agate Technology
Brass Adapter, 3/8 Female Compression x 1/4 In. Male Compression | True Value
Brass Lead Free 3/8 Compression X 1/4 Female Flare Adapter
Threading Adapter, NPT 1/4 Female to NPT 3/8 Male
1/4" NPT Male x 3/8" NPT Female Swivel Straight 1404-04-06 Adapter | NPT Female Swivel to NPT Male - Straight | NPT to NPT | Hydraulic Adapters & Fittings | Hydraulics | www.surpluscenter.com
Husky 1/4 and 3/8 in. Drive Adapter Set (3-Piece) HADPTR3PC - The Home Depot
Brass, 3/8 in x 1/4 in Fitting Pipe Size, Reducing Adapter - 46M454|706120-0604 - Grainger
Threading Adapter, NPT 1/4 Male to NPT 3/8 Female
Adapter, 1/4-in. Female to 3/8-in. Male Part# 1-11394 - AccuStream
LDR Industries 3/8 in. x 1/4 in. M.I.P. Brass Male Adapter at Tractor Supply Co.
Adapter for Tripods 3/8'' to 1/4'' - 120 | Manfrotto US
3/8" NPT Female to 1/4" NPT Male Brass Pipe Adaptor/Adapter Straight Reducer/Reducing Coupling Male to Female: Pipe Fittings: Amazon.com: Industrial & Scientific
Manfrotto 015 Female 3/8" to Male 1/4"-20 Adapter 015 B&H Photo
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
Threading Adapter, NPT 3/8 Male to G 1/4 Female
Everbilt 3/8 in. Flare x 1/4 in. MIP Brass Adapter Fitting 801539 - The Home Depot