This key holder is an alternative to key circles, holding keys without making a noise and damaging other items in your pockets. It keeps keys or gadget in order and organizes them for easy storage. What a wonderful assistance for daily use or outdoor activities! What are you waiting for Just come and buy. Features: Perfect 6060-T6 aviation aluminum alloy material, safe and reliable. Clip keys or other gadget for a nice organization. Easy to operate and use, thoughtful and lovely design. Safe storage in your pockets. DIY fun, gathering all your keys, gadgets together. Include 6 pads and 2 screws. Specifications: Material: 6060-T6 aviation aluminum alloy Color: Blue / Black / Purple / Yellow / Red (Optional) Item size: 88 * 18 * 17mm / 3.5 * 0.7 * 0.7inches (Length * Width * Height) Package size: 90 *20 * 20mm/ 3.5 * 0.8 * 0.8inches (Length * Width * Height) Package weight: 20g / 0.70unces Notes: 1. The inner diameter is 4mm, please make sure your keyhole diameter is larger than 4mm. 2. The standard height of inner column is about 11mm (it can hold 4-5 ordinary keys). If you have a special key, please measure key size in advance. 3. Cross-key can be installed (thickness equal to 3-4 ordinary keys). The vinyl head key can be installed, or it can be installed directly or the plastic part can be melted by electrotome. Package List: 2 * Screw Sleeve 6 * Buffer Circle