High hardness aluminum alloy holding-on:Automatic tightening,adjustable wrench, comfortable handle,Automatic tight design Double-side gear design: easy tighten screws,without align repeated Precision laser dimension:Dimension clear and beauty,Opening accurate and difficult to wear No stubborn:Flexible on-off,Turning smoothly,Turning smoothly, No stubborn, high efficiency quality control:Small when halfopening,Wrench cooperate closely,No obvious deflection when using Colour:As Shown Material:alloy Size:12 Inches Package Contents: 1 x Ratchet adjustable wrench Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.