Features: and Solid brass solid brass rods are solidly designed with solid brass to ensure the grinding efficiency while satisfying the comfortable grip. Deepening, larger grinding volume, increased grinding volume, higher grinding point of the grinding rod, easier grinding. Special curved contact surface grinding rod, which is more suitable for inner wall and more efficient when rotating and rolling. Polished inside and outside, no blisters, handpolished process, smooth inside and outside, bright and shiny, no air holes, no blisters, smooth and solid copper cover inside and outside, highgrade copper, beautiful and solid, durable. Solid brass cover, builtin matching copper cover, hammer grinding, splashproof grinding easier, concave arc bottom. Specifications: Material:Pure Copper Color:As the Picture Size: Approx. 9.3x5.5 for cm/3.66x2.17 inches Package includes: 1 x Mortar and Pestle Set