These signature compact marble-ized e-nail sets includes the industry standard PID circuit packed into the smallest possible US-made and painted case. It is injection-molded using ABS plastic, which is what the durable LEGO toy is also designed with. The case was designed, formed, painted, and electronics assembled in the USA. Each e-nail set is absolutely unique and the controller is issued 1-year warranty for peace-of-mind. However, with good care your unit should last much longer. The main factor in coil longevity is to avoid excessive bending and twisting of any parts.
[appx. compact marble-ized e-nail case dimensions – 5″ x 2.5″ x 2.5″]