Adjustable range: This wrench size can be adjusted to 3AN, 4AN, 6AN, 8AN, 10AN and 12AN. Material: The adjustable AN fittings wrench is made of lightweight 6061-T6 aluminum; The AN fittings tool 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. Feature: This aluminum AN fittings wrench tool is compact and portable, lightweight but sturdy construction, suitable for all kinds of AN adapter nut and other accessories installation and removal. Size: length: 6.89 inch/17.5 cm,width: 2.5 inch/6.36 cm,thickness:0.52 inch/1.35cm. Design: The AN hose fitting adjustable wrench featuring a curved design, frosted surface, non-slip handle and comfortable grip, fit for hand movement.