Gedore UD Profiles Open-End Wrench with Reversible Ring Ratchet is engineered for high torque transfer and efficient performance. Constructed from 31CrV3 chrome-vanadium steel, this wrench boasts exceptional durability and strength. Its non-glare, matt chrome-plated finish, along with manganese-phosphated locking insert and pawl, provides excellent corrosion resistance. The hot-forged jaw is precisely ground to exact nominal sizes, ensuring optimal contact areas for reliable grip. The wrench features a ring side angled by 13 degree and is reversible, allowing for convenient ratchet loosening and fast tightening. Its comfortable hollow profile design enhances grip, while the warp-resistant geometry with double T-girder effect provides added strength and stability. When used in combination with adapters 7 RA or 7 RB, it can function as a (bit) ratchet, making it a versatile tool for various applications. Technical specification; Standard: not standardized, Width of head 1: 21.0 mm, Width of head 2: 23 mm, Head height 1: 7.7 mm, Head height 2: 4.1 mm, Material: 31CrV3, Jaw set: 15 degree, Surface: chrome-plated, Ring profile: UNIT-DRIVE, Ring angle: 13degree, Return angle: 7 degree, Width across flats mm: 10.0.