These little blue rubber end caps might not look like much, but they're seriously handy for so many things! Each pack comes with 50 caps that fit perfectly on 6.5mm (that's 1/4 inch) diameter tubes, screws, bolts, or pipes. The vinyl rubber material is flexible and insulated, so they provide great protection without being too stiff. They're perfect for preventing scuffs on your kitchen or wood floors - just pop them on chair legs, table feet, bar stools, or any furniture that tends to scratch surfaces. The elastic material means they stay put once you get them on, and they're durable enough to last through regular use. Since rubber is soft and stretchy, it's actually better to choose caps that are slightly smaller than what you're covering - they'll grip tighter that way. Whether you're using them for electrical projects, furniture protection, covering sharp screw ends, or any situation where you need to cap off round tubing, these little guys get the job done. At 50 pieces per pack, you'll have plenty for multiple projects or to share with friends. They're one of those simple solutions that make you wonder how you managed without them!