The coffee portafilter handle is made of 100%  solid wood, resistant to oxidation and corrosion, ergonomically designed to ensure perfect grip and easy manual control. The coffee portafilter strainer head is cast from food-grade stainless steel 18/10, hand-polished and precisely dimensioned to ensure that the strainer is firmly engaged. I TOP manufactures different kinds of coffee portafilter for different kinds of coffee machine models.