The Oben RP-5 Quick-Release Plate is included with the BA-106 and BA-106T ball heads, and is sold here as a spare or replacement part. Its square shape allows you to place the plate and camera into the ball head in any direction. It has a 1/4"-20 slotted screw to connect it to your camera's tripod mount.
Camera Mount Thread Size
1.5 x 1.5" (3.8 x 3.8 cm)
0.05 oz (1.4 g)
Oben RP-5 Quick-Release Plate for BA-106 and BA-106T Ball Heads