1. Fine workmanship and clear details 2. With key ring, easy to carry 3. Fine grinding, good texture 4. Material: zinc alloy 5. Size: - With pen: about 4 x 2.5 x 0.5cm - 6cm with keychain: about 6 x 2.5 x 0.5cm - 9cm with keychain: about 4 x 8.5 x 0.5cm 6. Weight: - With pen: about 14g - 6cm with keychain: about 20g - 9cm with keychain: about 56g