Ringmaulratchen wrench sets. Field-tested compilations of ring mouth keys. Angled, metric. Ideal for hex glands and bolts and cables standing in the way. With angled ring side. Universally applicable for actuating and holding screw connections. With 72 teeth, very high torque values (exceed DIN 3110 / ISO 3318). Patented Ratchet gearbox (GEARplus) made of special steel. With changeover lever for clockwise and counterclockwise rotation. High-quality, durable industrial quality. Flat heads for tight spaces. Pleasant grip, due to matt chrome-plated surface, even with oily hands. Heads ground fully automatically. Mouth position 15° angled. With SmartDrive profile which protects the screw and nut heads, as the force is transmitted to the flanks and not to the corners, for longer life of screw and wrench. All important sizes in one set. All 8 and 12 pcs. Sets in sturdy premium roll bag with water-repellent surface and comfortable Velcro fastener. Made of chrome-vanadium steel / matt chrome-plated. Similar to DIN 3110 A / ISO 3318 / 7738.