Professional-grade combination wrench set from Stanley featuring six essential sizes: 10mm, 12mm, 14mm, 17mm, 19mm, and 21mm. Each wrench combines an open end and box end in one tool, delivering versatility for automotive work, machinery maintenance, and general repairs. The durable construction withstands heavy-duty applications, while the convenient pouch keeps all pieces organized and portable. Ideal for mechanics, contractors, and DIY enthusiasts who demand reliability and efficiency in their toolkit.