ITEM NAME:5x 1/4 to 3/8 Convert Screw Adapter For Tripod And Camera Monopod Ballheadã€NewOZ Thread Adapter with female 1/4" thread to male 3/8" thread. It works with our Double Head Stud w/ 1/4" to 3/8" thread, and make it work as a Double head stud w/ 3/8" to 3/8" thread. Material: Metal 1/4" to 3/8" Convert Screw Adapter for Tripod. Made of metal, solid and durable Package includes:5 x 1/4" to 3/8" Convert Screw Adapter Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm..1/4" to 3/8" Convert Screw Adapter for Tripod. Thread Adapter with female 1/4" thread to male 3/8" thread. It works with our Double Head Stud w/ 1/4" to 3/8" thread, and make it work as a Double head stud w/ 3/8" to 3/8" thread.