Description:The wrench is made of premium carbon steel, high strength, non-deformation, durable, suitable for hub.Thin, but extra strong design, to reach confined working areas where traditional.Hole in the handle is perfect for hanging on your pegboard, and their small size makes them great to carry along for quick repairs.Great for home or professional bike mechanic and for wheel axel adjustments.High torque capacity, lightweight and easy to carry; Professionally heat treated for strength and durability.Specification:Color: Black.Material: Carbon Steel.Fit for size: 13mm, 14mm, 15mm, 16mm, 17mm, 18mm.Note:There might be a bit color distortions due to different computer resolutions.There might be size errors due to different computer resolutions.Package include:1* Carbon Steel Bicycle Spanner.