Specifications: 【Adjustable range】This wrench size can be adjusted to 3AN, 4AN, 6AN, 8AN, 10AN, 12AN, 14AN and 16AN. 【Material】 It's made of lightweight 6061-T6 aluminum . 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. 【Advantage】Multisize in one /Contact of four opposite sides 【Size】length: 7.2 inch/18.5 cm,width: 2.7 inch/7.1 cm,thickness:0.52 inch/1.35cm. Specifications: AN3-AN16 Adjustable Aluminum Wrench Fitting Tools Spanner Made of Aluminum Stainless, durable and usable Wrench Type: Billet Aluminum Adjustable Wrench -3AN to -16AN Easy operations: You can operate very convenient with the wrench Package Included: 1 x Adjustable AN3-AN16 Aluminum Wrench.