Product Description The BIT04 by LAUTIE is a futuristic everyday-carry spinner, engineered with innovative design elements and premium craftsmanship for a refined tactile experience. Key Features Lightweight & Ergonomic: Designed for optimal grip and ease of use during extended play. Sci-Fi Inspired “Bionic Pupil” Aesthetics: Crafted with a sleek, futuristic look inspired by sci-fi intelligent mechanisms. Tritium Gas Tube Slots: Includes four slots allowing you to install tritium light tubes, producing an outstanding glow effect during high-speed spins. Middle-Layer Hollow Design: Reduces overall weight and highlights elegant circular lines that enhance visual appeal in motion. Stable 2-Minute Spin Performance: Excellent balance and quality bearing ensure steady spins exceeding two minutes. Specifications Dimensions: 42.5 × 33 × 13 mm Weight Options: Stainless Steel: ~54 g, Brass: ~57 g, Zirconium: ~45 g Use & Benefits Ideal for EDC enthusiasts seeking a blend of futuristic aesthetics and functional performance. Tritium lighting feature adds both a visual spectacle and nighttime visibility. Lightweight yet sturdy build provides a premium spinning experience.