Rosineer Pre-Press Cylindrical Mold, Stainless SteelMake your rosin pressing a more efficient and uniform experience with the Rosineer Pre Press Mold! This high quality, food grade stainless steel mold will ensure that you have consistent herb wafers for an improved yield. Furthermore, it prevents costly blowouts of filter bags during use. Simply add materials to the three easy parts of this device, then compact them using any regular mallet or hammer plus enjoy its complimentary drawstring bag too!