When wiring projects require durability, precision, and a professional finish, Lumoforce 4.0 mm ferrules provide a reliable and effective solution. Designed for conductors up to 4.0 mm², these ferrules prevent wire strands from fraying, ensure safe and secure terminations, and deliver long-lasting electrical connections. Supplied in convenient packs of four, they are ideal for medium-sized wiring tasks such as control panels, automotive circuits, lighting installations, and industrial applications. Each Lumoforce 4.0 mm ferrule is manufactured to high standards to offer excellent conductivity, corrosion resistance, and a clean, uniform appearance. Suitable for electricians, engineers, and DIY enthusiasts alike, these ferrules make terminations quick, consistent, and easy to maintain while improving safety, efficiency, and overall panel aesthetics.