... ",3/4",1", 1.5", 2", 2.5", 3", 4" , stainless steel cleaning ballType of ends available: Clamp end, Weld end, Male ... many other industries.For detailed information about this hygienic sight glasses and sanitary cleaning ball please send your inquiry to us ... ,drawing/ photos of products, body material. All customized hygienic sight glasses products are welcomed upon your request.MOQ: 100pcs