This adjustable feet set is great for decking planks in the garden, roof terrace and balcony. The decking pedestal is made of polypropylene, which is sturdy and durable for years of use. It can be adjusted easily at the required height, making levelling easy and accurate. These feet provide stable support beneath the deck. Colour: Black Material: Polypropylene Top diameter: 14.8 cm Bottom diameter: 19.8 cm Adjustable height: 20-30 mm Assembly required: No Delivery contains: 10 x Adjustable foot Adjustable Decking Foot, Adjustable Decking Feet, Adjustable Decking Foot, Adjustable Decking Feet, Decking Pedestal, Decking Pedestals, Decking Support Foot, Decking Support Feet, Flooring Support Foot, Flooring Support Feet .