SZHOWORLD&reg; Portable Brass Screw Lock D-shape Key Holder Creative EDC Keychain tool Originality personality brass key ring, strong, simple, practical and easy to carry High precision screw lock, hold tightly, can last for years. Size: 4.5cm6.6cm, weight: about 15g Organize Up To 20-30 Keys, small size, large capacity! Solid brass made, 360 degrees mirror polishing.