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
Standard 3/8 to1/4 Screw Adapter Bushing Converter for DSLR Camera Camcorder Tripod Monopod Ball Head Ballhead Video Light Stand|Tripods| - AliExpress
CHEAPATLEAST - 1/4" to 3/8" screw male adapter for camera
Unior Socket Wrench adapter from 3/8 to 1/4 - 3,90 : Cyclebrother.com - Cyclebrother.com
Amazon.com : Standard 1/4"-20 Female to 3/8"-16 Male Threaded Reducer Screw Adapter (Brass) Precision Made (2 Pack) : Electronics
Hazet Adapter 8858-2 3/8" to 1/4" | 3/8“ Extensions and Adapters | Range of 3/8“ Sockets | Range of Sockets | Hand Tools | Hazet | Tools by Brand | Jens Putzier Tools
Jjc Camera Accessories Tripod Screw Light Umbrella Holder 1/4" 3/8" Screw Adapter For Canon/nikon/sony/panasonic/pentax/fujifilm - Photo Studio Kits - AliExpress
KT Pro Tools C5382D HT Socket Adapter 3/8" F x 1/4" M | eBay