Professional-grade single end open jaw spanner manufactured from durable chrome vanadium steel, designed for reliable performance in demanding electrical and industrial environments. Fully insulated to conform to VDE 0680/201 and EN 60900:2012 standards, providing safe operation on live circuits up to 1000V. The precision-machined jaw ensures accurate fit and grip on fasteners, reducing slippage and wear. Spanner dimensions strictly conform to DIN 7446 for compatibility with standard hardware and consistent sizing across your tool set. Ideal for electricians, maintenance engineers and technicians who require high safety, durability and compliance with international standards. Robust insulation and quality construction make this spanner suitable for both professional workshops and on-site service work.