The C.K T4821 Torque Screwdriver Set with VDE blades is a professional tool provided by Carl Kammerling (CK), offering a wide range of hand tools, tool storage, power tool accessories, and security products suitable for professional, industrial, and consumer use. With over 100 years of experience, CK is recognized for quality and reliability. The torque screwdriver set features an adjustable torque from 1.5-3.0Nm, VDE approved blades tested to 10,000V for safe working up to 1,000V, and a quick lock mechanism for easy blade interchange. The set includes a torque screwdriver handle, VDE screwdriver blades (Mod 1 & 2), adjustment key, and fabric storage pouch.