This item is a wrench spanner, which is made of premium vanadium material with high quality, hard and durable for use. With dual head for convenient use, comfortable and easy to handle. 180 degree pivoting flex head allows for different angle adjusting. Suitable for the professional factory or the home mechanic use.Features- Color: Silver.- Inner Diameter: 6mm, 7mm, 8mm, 10mm, 11mm, 12mm, 13mm, 14mm, 15mm- Material: Vanadium Steel- Size: 19.8 x 2.7 x 0.9 cm- Made of premium vanadium material with high quality, hard and durable for use.- Dodecagon cold draw process, more area, less likely to abrase nuts.- With dual head design, convenient and easy to handle.- No more scrambling for the proper tool for your repair.- 180 degree adjustable wrench head, convenient in use.- Suitable for both home and factory use.