Fangrui Product Details [ Material]: Our Adjustable Deck Support Pedestal Is Made Of High Quality Material, Which Is Sturdy And For Long-term Use.it Has High Resistance, Making The Combination Of Durability And Characteristic Perfectly, Solving The Problem Of Too Heavy To Setting Traditional Concrete Deck Base, Material Improve Your Installation Experience. [adjustable Height]: Our Deck Support Pedestal Has 2 Height Adjustment Holes, Allowing You To Easily Adjust The Height From 30mm-60mm. This Is Very Practical For Different Needs, Such As Leveling Uneven Ground, Raising A Deck To A Desired Height, Or Creating A Storage Space Under The Deck. High Load Capacity: 1/4 Position Load Is 2000 Lbs And Full Position Load Is 4600 Lbs. [easy To Install]: Our Deck Support Pedestal Is Easy To Install. With All The Necessary Hardware Included, You Can Install It Quickly And Easily Without Any Professional Tools. The Installation Process Is Simple And Straightforward, Saving You Time And Effort. Colour:black Material:pp Adjustment