Hirosugi handles metal spacers for electronic equipment, electricity delivery, water treatment and industrial machine. Materials are brass, stainless steel ,steel ,eco aluminum and titanium. <Shapes> ○ Hexagonal female, hexagonal male-female, hexagonal male and hexagonal hollow tube. ○ Round female, round male-female and round hollow tube. ○ Square female, square male-female and square hollow tube. ○ Mounting for D-sub connector ○ Special type ●Please inquiry for the details or download the catalogue.