Offered at a bargain price due to scratches and stains. No issues with usability. Height adjustment level spacers, 4 types, set of 24. 2mm x 8 3mm x 8 5mm x 4 10mm x 4 40mm square size Material: Polypropylene Ideal height adjustment parts for construction sites and DIY projects. Useful for adjusting furniture, foundation packing, and shed leveling spacers.