The Ingco 7-piece Insulated Box-End Spanner Set (HKISPA0702) is a professional-grade tool kit designed for maximum safety during electrical work. Each wrench is VDE/GS certified and tested for insulation up to 1000V, meeting IEC60900 standards. Crafted from high-quality Chrome Vanadium steel for durability and strength, these wrenches are ideal for working on live electrical components. The set includes sizes 8mm to 19mm, all neatly organized in a durable canvas pouch for easy storage and portability.