Inhouse product
Sizes: 8, 10, 11, 12, 13, 14, 17, 19 mm. CR-V Metric Set. Drop forged heat-treated steel construction. Durable chrome-plated finish resists corrosion. 72-teeth chrome vanadium ratcheting box end. Works in tight spots without re-positioning. Tool Standard: GB/T4393-2008. Material: 45# carbon steel.