Medium Drop Leaf Table Hinges are made with a protruding joint. Table leaf hinges are steel. Hinge pin is fixed. Hinge leaves have countersunk holes. If needed use with steel drop leaf table supports.
Typically the protruding joint, also know as a rule joint, is mortised into underside of table top. This mortising provides a flush surface enabling leaf to swing clear.
Hinges are as advertised
Came fast. Enough said.