Stainless Steel speakers stand stabilisers set of 8 units . These are for stabilising speakers with spikes on to hard floors wont damage the floor and will hold speakers solid  .. they are perfect for hard floors . They are 38mm in diameter and 10mm High. They are 70 grams each 6 kgs in total , made of 316 marine grade Stainless steel so they wont or lose their " carved " look or rust .. They are beautiful and will stay that way for ever ..  they are ONLY made by ONIX AUDIO in England