Kannaster Press Size:14mm with pieces blown by some with pieces blown by some of the most talented glass artists in the industry and proceeds going to support worthy causes Keep your Silver Surfer vaporizer running at peak performance with genuine replacement parts Available in 14mm and 19mm sizes with a limited lifetime warranty this is the last pollen press you will ever need to buy The Kannastor Kief Press is built from food grade anodized aluminum with a triple dowel system that lets you press two pollen discs at once and handles heat up to 175 degrees so you can cure your kief into a perfect disc without any contamination or fuss