Heavy black enamel cast iron base with plated rods, which are threaded to fit the base.

Cast Iron, with tapped hole 10 x 1.5 mm, metric thread in the center of one short side.

Pressed steel base with hole 10 x 1.5 mm, metric thread in the center of one short side.

Mild steel base, stove enamelled, fitted with one levelling screw and nylon feet, with chrome plated mild steel rod.