Kannastör botanical presses feature an all metal construction allowing you to safely treat your botanical extracts with heat without fear of contamination or failure. Dimensions: 1.375" (H) x 1" (D) Constructed with 100% hardened 60/61 aluminum Aluminum dowels handle the pressure of endless use Heat tolerant to 175° to cure pollen disc 100% food safe and medical grade Triple dowel system allows pressing of two discs at 1 time Two sizes. Perfect for 1g or 2g pollen discs. Limited Lifetime Warranty