CAMVATE 1/4"-20 female to 3/8"-16 male Screw Adapter for tripod and camera
Flash Cold Shoe Mount Adapter to 1/4 Thread Hole with 1/4"-20 Male to 1/4"-20 Male Tripod Screw Adapter
Amazon.com: Niewalda 1/4 Inch Male to 3/8 Inch Female Tripod Screw Adapter 3/8 to 1/4 Tripod Adapter Mount Screws, Accessories for Camera/Tripod/Monopod/Light Stand : Electronics
1/4 to 1/4 Screw Adapter - For Camera / Tripod / Photo / Video : ID 2632 : $1.50 : Adafruit Industries, Unique & fun DIY electronics and kits
Impact CA-111 5/8'' Male to 1/4''-20 Male Screw Adapter | Impact
SmallRig 1/4" to 3/8" Screw Adapter (5 pcs) 1610
Camera Screw Mount Set, PAMOWO 26Pcs 1/4 Inch and 3/8 Inch Converter Threaded Screws Adapter Flash Shoe Mount for DSLR Camera/Tripod/Monopod/Ballhead/Flash Light/Quick Release Plate - Yahoo Shopping
Amazon.com : CAMVATE 1/4" Male to 1/4" Male & 1/4" Male to 3/8" Male & 3/8" Male to 3/8" Male Thread Screw Adapter for Camera Tripod - 1230 : Electronics
Midwest Photo SmallRig New Thread Adapter with 1/4" to 3/8" Thread - 5pcs pack
SCREW ADAPTER
5Pcs Camera Screw Adapter 1/4 inch Male to 1/4 inch Male Screw Tripod Screw Adapter Converter for Tripod/Monopod - Walmart.com
1/4 Inch Male to 3/8 Inch Female Tripod Screw Adapter 3/8 to 1/4 Tripod Adapt... 632202718515 | eBay
CAMVATE 1/4"-20 to 5/8"-11 Threaded Screw Adapter C1627 B&H
CAMVATE 5/8"-27 Male to 1/4"-20 Male Screw Adapter C1889 B&H
Amazon.com : 1/4" Male to 1/4" Male Threaded Tripod Screw Adapter Double Head Stud Standard Mounting Thread Converter for Camera Cage Mount Light Stand Monopo Shoulder Rig Tripod Black-2 Packs : Electronics
iShot Pro 1/4 - 3/8 Hybrid Convert Reducer (2-pack) Screw Adapter for SLR Camera, Tripods, Ball Heads and MonoPod - iShot Mounts