There's a thread. This is a lightweight and easy-to-carry mini trivet. It's perfect for solo camping or cooking while hiking. Despite its small size, it's stable and can be used with confidence. ・Size Outer diameter: 15.5cm Inner diameter: 13.7cm Center circle diameter: 4.7cm *Measurements are approximate, so there may be some error. ・Color: Silver Two scratch-resistant one-touch pads.