The Bit-04 combines lightweight design with sci-fi-inspired aesthetics, offering a comfortable grip and a futuristic look. Key Features Lightweight Design – Ensures a comfortable grip, making it easy to handle for extended use. Bionic Pupil Design – Inspired by intelligent organs in science fiction, giving the Bit-04 a futuristic appearance. Tritium Gas Tube Slots – Features 4 grooves for installing up to 4 tritium gas tubes, creating a beautiful glowing effect. Middle-Layer Hollow Design – The hollow middle layer reduces weight, and the elegant circular lines add sophistication. When combined with tritium tubes, it creates a stunning light effect when spun at high speeds. Stable Spin – Spins steadily for over 2 minutes thanks to its lightweight build and excellent bearing. A futuristic, high-performance spinner combining sleek design, customizable lighting, and smooth spinning for a truly satisfying experience. Dimensions 42.5mm x 33mm x 13mm Weight Stainless Steel: 54gBrass: 57gZirconium: 45g Bearing R188 Tritium slot 1.5mm x 6mm 4pcs