These feet screw into the threaded load hole in single ended beam load cells.
Stainless steel stud and base will resist corrosion.
Uneven floors are accommodated with the oblique spheroid joint which has hex wrench flats and jam nut for height adjustment.
The ball and socket joint has the ball under the socket which keeps dust and dirt from entering joint.
Bottom of foot is bonded with rubber to stop slipping. 30 degree  swivel and 360 degree rotation.