Pepper mill The grinding mechanisms in our mills are crafted from solid : 1). High-carbon steel ( for pepper mill purpose): reached hrc 50 2). Ceramic ( for either pepper & salt mill purpose): reached heat treatment 1600~1700 (china's capacity is 1200) 3). Stainless steel ( for pepper mill purpose ) 4). Zinc alloy ( for pepper mill purpose ) 5). Nylon ( for salt mill purpose ) Size : 2-1/4"d x 7-1/2"h Material : acrylic w wood top Packing : pc/polybag, white box Carton : 24set/ctn/2' N.W. :14 kgs G.W. :16 kgs