Showa Era Rare Item [Toa Tanko] ■ Chrome Molybdenum Steel Chrome molybdenum steel is a type of "alloy steel for machine structural use" made by adding chromium and molybdenum to carbon steel, also known as "SCM material." It has much higher strength and hardness than ordinary carbon steel and excellent hardenability. ■ JIS-H / Reinforced Type ■ Total Length: Approximately 300mm ■ Weight: Approximately 570g *This is a used item. It is a chrome molybdenum steel spanner from a very old and rare manufacturer. Please check the condition in the images and understand that it is a used item before purchasing. *Please inspect the item upon receipt from the delivery company and contact us on the same day to confirm receipt. *Currently, the item is listed as cash on delivery, but we can change it to include shipping if you contact us. In that case, we will change the selling format to the current price plus the Mercari shipping fee. Also, there are some applicable areas where we can use Eco Mercari shipping, which is cheaper at 730 yen for up to 160 size. If you are in an applicable area, we will ship via Eco Mercari, so please let us know in the comment section before purchasing. *Image: Advertisement image, excerpt from Toa Tekkosho