Impact CA-112 3/8"-16 and 1/4"-20 Adapter Spigot | Impact
Amazon.com: JJC Male 1/4"-20 to Female 3/8"-16 Threaded Screw Converter Adapter for Mounting Camera and Other Devices with Female 1/4"-20 Thread to Tripod, Monopod with Male 3/8"-16 Thread or Arca-Type Clamp :
Midwest Photo Tether Tools Rock Solid 1/4"-20 Mighty Mount Adhesive Tripod Adapter w/ Hot Shoe
Kupo 3/8 in.-16 Male to 1/4 in.-20 Male Thread Adapter | KG007512 | SAMY'S CAMERA
Revo Hot Shoe to 1/4"-20 Male Post Adapter SA-CS-14M B&H Photo
Amazon.com : Standard 1/4"-20 Female to 3/8"-16 Male Screw Adapter Reducer Bushing Converter for DSLR Camera Camcorder Tripod Monopod Ball Head Ballhead Video Light Stand (4 Pieces) : Electronics
CAMVATE 3/8"-16 female to 1/4"-20 male Adapter for tripod and camera and tripod
3814ADA, 3/8" Female to 1/4" Male Adapter - Triad Orbit
TM-20 Apex 1/4'' Male Threaded Power Driver Adapter
3/8-24 to 1/4-20 Stainless Steel Adapter GigaParts.com
3/8 to 1/4-20 Adapter - Camera Concepts & Telescope Solutions