I recommend this product because it's from TOP Kogyo, a company known for its quality! Brand new, unused. *Please note that due to the nature of the product, there may be some scratches, so please be aware of this before purchasing. Made in Japan Retail price: 10,010 yen (tax included) Manufacturer: TOP (Top Kogyo Co., Ltd.) Model number: RS-46 Product name: Round Single-Open-End Wrench (Heavy Duty) Uses and Features: Ideal for attaching and detaching bolts and nuts in various industries such as machinery, equipment, piping, and construction. Excellent durability and strength to withstand harsh use. Round, heavy-duty design with balanced head and handle. Specifications: Head thickness (mm): 16.0 Width across flats (mm): 46.0 Overall length (mm): 388 Thickness (mm): 9 Head thickness (mm): 16 Material: Chrome vanadium steel ● Surface: Parkerized Weight: 1120g