The FACOM FM-31.6X7 Open End Wrench is the tool you need for all your tightening and loosening needs. Featuring a satin finish, this 6 x 7mm open end wrench has an alloy steel construction for durability. It has a 5 53/64 in. length and 5 27/32 in. width, making it easy to grip and use even with gloves on. With head sizes of 6 mm and 7 mm, this wrench is suitable for most fasteners found around the house or workplace. The FACOM FM-31.6X7 Open End Wrench is the perfect tool to have when working on small parts that require precision workmanship.