Offset ratchet ring spanners, heat-treated steel, double plum blossom design Flat ratchet ring spanners with a different metric size on either end Quickly tighten and loosen nuts with these ratchet spanners Directional switch moves easily without having to remove wrench from fastener Great for use in the automotive trade, engineering, marine or DIY use Specification: Material: Steel 6-8mm/7-9mm, Length: 115mm/4.52in, Small Head Width: 20mm/0.78in, Big Head Width: 21mm/0.82in 8-10mm/10-12mm, Length: 138mm/5.43in, Small Head Width: 21mm/0.82in, Big Head Width: 24mm/0.94in 11-13mm/12-13mm, Length: 170mm/6.69in, Small Head Width: 27mm/ 1.06in, Big Head Width: 30mm/1.18in 12-14mm, Length: 170mm/6.69in, Small Head Width: 27mm/1.06in, Big Head Width: 32mm/1.25in 14-17mm, Length: 225mm/8.85in, Small Head Width: 34mm/1.33in, Big Head Width: 37mm/1.45in 16-18mm/17-19mm, Length: 225mm/8.85in, Small Head Width: 35mm/1.37in, Big Head Width: 37mm/1.45in 19-21mm/19-22mm, Length: 225mm/8.85in, Small Head Width: 38mm/1.49in, Big Head Width: 42mm/1.65in Package Includes: 1 x Offset Wrenches Metric Note: Please allow 1-2mm error due to manual measurement, make sure that you do not mind before you bid. Due to the different monitor and light effect, the actual color may be slightly different from the picture color.