The K300 Mechanical Mod by Kamry is a ground-breaking device made of quality, superior materials for an overall elevates vaping experience and optimal performance. This device utilizes a mechanical mod system with fixed 510 center pin and spring-loaded firing button. This durable device is fully mechanical and has no electronic parts for increased vapor production and enhanced flavors. It allows you to use 18350 and 18650 batteries to deliver long lasting power. The K101 Telescopic Mechanical Mod also includes 510 threading so you can attach almost any cartomizer, clearomizer or atomizer with this versatile unit. At a great, affordable price, don’t miss out on the K300 Mechanical Mod by Kamry. Get one today!