Manfrotto 179 is 16mm female adapter that will fit into a variety of products such as tripod heads
Manfrotto 179 features:
• 5/8'' (16mm) Stand Adapter, 3/8'' (9.5mm) Screw
• 3.2'' (80mm) Disc, Wing Nut
• It will fit into a variety of products such as tripod heads
• 5/8 adapter support with 3/8'' screw