The Liberty Mechanical Mod has been described as a brilliantly constructed, innovative mod for an unforgettable experience. Made with the finest materials, it employs high-grade 303 stainless steel, rhodium-plated contact ports, rhodium-plated springs and wave springs. The Liberty Mechanical Mod is equipped with a short throw button for smooth, effortless pulls. It also utilizes industrial quality Derlin crystalline plastic ensuring prolonged sustainability, endurance and a long-life span. Compatible with 18650 and 18350 batteries (sold separately) the Liberty Mechanical Mod features a solid 510 positive contact floating pin for swift and easy battery length and atomizer adjustments. With a gorgeous aesthetic design and durable construction, the Liberty Mechanical Mod is the perfect add to any collection. Make sure to add it to yours today!