Contents: The set includes 8 double open-end spanners with sizes ranging from 6mm to 22mm (e.g., 6x7mm, 8x9mm, 10x11mm, 12x13mm, 14x15mm, 16x17mm, 18x19mm, 20x22mm).
Material: They are typically made from forged and heat-treated chrome vanadium steel for durability and strength.
Features: The spanners are fine polished and designed for corrosion and rust resistance.
Application: This set is suitable for various mechanical tasks, including vehicle repair, equipment assembly, machine maintenance, and engineering construction.