Manfrotto
Manfrotto 088LBP Female 1/4"-20 to Male 3/8" Thread Adapter, with 1 18" Diameter Flange
$13.00
The Manfrotto 120DF Female 3/8" to Female 3/8" Adapter Plate is an adapter with a 3/8" female thread on both sides. This adapter allows any tripod with 3/8" thread to accept male 3/8" thread. Examples are use of Manfrotto 131D and 131DD side arms as column extensions.