Adjustable height pedestal. Heavy duty cast alloy base with six mounting holes for solid support on cockpit or cabin floor. Anodised alloy post and base for corrosion protection. Simple friction locking height adjustment handle. Friction locking powder coated alloy swivel head assembly. Sturdy 73mm x 4mm base pole and 60mm x 3mm top pole which is sleeved with sleeved to accept 73mm I.D. swivel base.