The Leofoto PU-25 arca swiss plate is made out of 6061-T6 aluminium. Small form factor suitable for small ballhead like Leofoto LH-25. Stopper screws can be removed if not required with allen key.
Dimension: 38mm length x 25mm width x 6mm thick
Tightening of screw can be with a small coin, no special tool required.