This is a Dogyu stainless steel Funade Genno (hammer). The size is small. The stainless steel Funade Genno with a glass handle was customized by Dogyu. The hammer head was also polished, making it beautiful, but there are some chips. For more details, please refer to the Dogyu digital catalog, where you can find the Funade Genno with a glass handle. Thank you for your understanding.