Thread Adapter with female 1/4" thread to male 3/8" thread. It is made of metal.

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.

Net Weight: 16g
Package Size: 105x70x4mm
Package Weight: 17g

 Includes 10pcs thread adapter. Not includes the Double head stud.