With four magnetic faces, one at 45°. Heavy duty with universal clamp. Mounts: 1/4” I/D lug, stem/spigot diameter: 1/4”, 5/16”. Base dimensions: 64 x 64 x 76mm. Column height x diameter: 266 x 20mm. Crossbar length x diameter: 200 x 14.0mm. Magnetic pull: 80kg.