General description This is a professional-quality set of long metric combination spanners designed for durability and precision. Forged from chrome vanadium steel, these tools are hardened, tempered, and chrome plated to resist corrosion. The set features polished bi-hexagon rings and jaw offsets at 15 degrees, making them suitable for a variety of applications in home improvement and maintenance tasks. Technical specifications Set includes 22 spanners with sizes: 8mm, 9mm, 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 16mm, 17mm, 18mm, 19mm, 20mm, 21mm, 22mm, 23mm, 24mm, 26mm, 27mm, 28mm, 30mm, and 32mm Manufactured according to DIN 3113 Form B / ISO 3318 standards Forged from chrome vanadium steel, hardened, tempered, and chrome plated for corrosion resistance Compatibility and accessories Compatible with standard metric nuts and bolts within the specified size range Suitable for use with standard ratchets and extension bars Installation No installation required; these are hand tools used