Please note, this product is for keycaps only, not a keyboard. You can replace your mechanical keyboard keycaps with these for a beautiful look and great feel. The metal surface is processed through a grinding process, offering a subtle elegance and excellent anti-slip effect for a superior feel. This product is suitable for various mechanical keyboards. Designed for standard mechanical keyboards. Warm Notice: To fix a loose keycap: 1. Apply a layer of clear glue to the stem or insert a thin tissue. 2. Gently use needle-nose pliers to carefully trim the cross slot, proceeding patiently. To fix a tight keycap: Use a slotted screwdriver to gently trim the cross slot, trying patiently. Specifications: Material: PBT Color: Gold, Silver, Blue KeyCaps: 12 keys Notice: Colors may vary due to display differences. Please understand. Package includes: 12 x Keycaps (This link is for keycaps only, no keyboard included).