Thread Adapter Female 3/8 to Male 1/4 (F9209)
Designed for iris360 (with 1/4" female mount).
This is a female 3/8" to male 1/4" thread adapter. May also be used to suit similar needs. The top portion (1/4 female thread side) incorporates 2 recessed rubber rings to help protect against metal to metal and better secures a tighter fit.