The (4Pack) 40MM*10MM Carbon Fiber HIFI Speaker Isolation Feet Spike Pad Stand Base by Audiocrast is a high-quality, black speaker stand designed for enhancing audio performance. Made from carbon fiber, these isolation feet provide a stable and secure platform for speakers to improve sound quality. With a VESA hole pattern of 40 x 10 mm, these spikes are easy to install and provide a sleek design to complement any audio setup. Backed by a 3-year manufacturer warranty, these speaker isolation feet are a reliable and durable choice for audiophiles looking to improve their speaker mounting solution.