[Adjustable range]This wrench size can be adjusted to 3AN, 4AN, 6AN, 8AN, 10AN, 12AN, 14AN and 16AN. [Material] It's made of Aluminum Alloy . Recommended for aluminum fitting, easy to damage for other materials. Advice:wrap the wrench's jaws with electircal tape to better protect the fitting &wrench. [Design]Featuring a curved design with a non-slip handle for a comfortable grip and fit for hand movement. Color: Red Material: Aluminum Alloy Package Contents: 1 x 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.