Dimensions: 164 x 30 mm, multi-layer base adjustable between 30 mm and 60 mm. Height can be increased using the adjustable threaded ring. Made from recycled materials. These pads have excellent resistance to weathering, UV rays, insects and rot. The easy-to-use threaded adjustment ring makes it very quick and accurate to head. Height adjustment can be made without removing the beams, making assembly extremely simple and fast. Quick and easy installation. Cables or pipes can be easily hidden under the new covering, which makes it easy to carry out these additional installations during repair or maintenance work. Helps to install floors and decks very easily and quickly. The brackets easily allow perfect alignment of joists or canopies with the floor or deck support. Suitable for floors, decks, roofs and roof gardens. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.