With four magnetic faces, one at 45°. Heavy duty with universal clamp and fine adjustment. Mounts: 1/4” I/D lug, stem/spigot diameter: 1/8”, 1/4”. Base dimensions: 64 x 64 x 76mm. Column height x diameter: 175 x 12mm. Crossbar length x diameter: 165 x 10.0mm. Magnetic pull: 80kg.