Ercole MB-13A Wall Plate Silver with 16mm fixed spigot 23cm long

As for the 355 but designed to be mounted to a wall. Comes complete with the Monopod Tilt Head 234.

Mounting: 1-1/8″ / 28 mm Receiver
Material: Steel
Dimensions: L: 5.9 x W: 3.6 x H: 5.0″ / L: 15.0 x W: 9.0 x H: 12.6 cm
Weight: 1.5 lb / 0.7 kg