This is a HIT pipe wrench. It is an old product. Overview of HIT Tools • Official Name: TOHO KOKI Co., Ltd. • Location: Yamatokoriyama, Nara Prefecture • Founded: 1926 (Taisho 15) • Brand Name: HIT • Main Products: • Pipe Wrenches • Monkey Wrenches • Bolt Cutters • Pliers • Hammers • Insulated Tools (for electrical work) • Tools for construction, plumbing, electrical work, and boring --- Features of HIT Tools • High strength and durability due to the forging (drop-forged) manufacturing method • Many products certified to JIS standards (pipe wrenches, spanners, etc.) • Quality that also conforms to the US GSA Federal Standard • Primarily for professionals, not widely distributed in the DIY market • Limited advertising, a well-known brand among experts