15 piece full polish metric combination wrench set. Chrome Vanadium Alloy Steel for long lasting durability. Surface Drive technology on box-end virtually eliminates fastener rounding. Heat treated for maximum strength. Sizes stamped on both sides for easy identification. Nickel chrome plated for long lasting protection. Mirror polish finish. 12 point drive type. Includes the following metric sizes: 7 mm, 8 mm, 9 mm, 10 mm, 11 mm, 12 mm, 13 mm, 14 mm, 15 mm, and 16 mm. Includes canvas roll for storage.