The Kannastor 4 Piece Grinder Jar Body features a durable modular design that can easily be transformed into a portable 3 piece configuration. Its innovative Easy Change Screen, complete with patent pending technology, allows for effortless screen replacement when worn out or for adjusting mesh size. Additionally, the jar body boasts a magnetic lid and lifetime warranty, while being crafted with anodized food grade aluminum. This product also includes a stainless steel Easy Change screen.