This mechanical keychain is made of metal and plastic, which is practical and funny, and can be well applied to compatible with keycaps. Simple structure and reliable craftsmanship, the keyboard tester key ring is perfect for any mechanical keyboard lover. Features -Color:Transparent -Material:Metal, plastic -Size:2.00X2.00X2.00cm/0.79X0.79X0.79in -Size:6.00X1.70X0.50cm/2.36X0.67X0.20in - Suitable for keyboard , keyboard key ring is easy to open to improve its performance. - Our mechanical keychain is also a good substitute when you want to quit a bad habit or feeling boring. - This keyboard fidget toy is the best auxiliary mechanical keyboard for lovers, also could be perfect desk toys. - Easy to use and convenient to carry, and you can take the witch tester keychain to any place. - This keyboard has a beautiful transparent appearance, unique and creative, small and light. Package list: 6 x sets of keycap keychains