The genuine Knipex 9842 is a professional-grade 1/2 inch reversible ratchet, specifically designed for safe and efficient use with socket wrenches on live parts up to 1000V AC, thanks to its VDE insulation. Crafted from robust chrome vanadium steel, this durable tool features a fine-toothed mechanism with 72 teeth, allowing for a minimal return angle and precise operation in confined spaces. Its ergonomic design includes a push-through square drive and a convenient reversing lever. Measuring 275 mm in length and weighing 0.57 kg, the Knipex 9842 delivers reliable performance for demanding electrical and mechanical applications.