Bovidix 6166715 Ratcheting Offset Box Wrench, 13-Inch x 15mm Box-end Spherical Reversible Ratchet Wrench (45 Degree Offset), Metric - 13x15 mm Unique, patented, Spherical Drive Wrench fits 6 different types of fasteners Chrome-vanadium steel and special heat treatment process provides high strength and durability 45 degree offset head gives excellent access to hard to reach areas Industrial grade tools