Hama Ball and Socket Head, large, 50mm
# 5014, 30mm diameter. Fits any tripod, or monopod (or absolutely anything else) with a 1/4 inch Whitworth screw thread
Hama Ball and Socket Head, small, 38mm
#5011, 20mm diameter. Fits any tripod, or monopod (or absolutely anything else) with a 1/4 inch Whitworth screw thread