Features: Torx diving insulation according to IEC 60900Internal square drive according to DIN 3120 / ISO 1174 with ball groove, burnished, chrome vanadium, technical data: size (Torx): T40Shape: short square drive: 1/2 inches, diameter: 25 mm, shape: short, weight: 80 g, insulation: diving insulation according to DIN EN 60900, total length: 75 mm, material: finest chrome vanadium steel, Tor2: DIN profile certification: ISO 900X not included.