Installation procedure was worthless. The mouse is noticibly smoother with the aluminum surface but not so much for the cloth surface. very good value for the money. Quality product and the seller shipped quickly! These socks are cozy and have good grips on the bottom. Skinny feet only. Exact fit and low profile, great for cabinets and book cases They are the best value for your dollars. Cumplen su función y son exactamente como vienen en la foto. The legs are a little tight but again it?s new so hopefully it?ll get more comfortable.