Features: -By using this universal wrench extension, you can extend the length of a standard wrench to increase reach and torque. -Perfect for hard-to-reach places, easily loosening rusted bolts, stuck fasteners and stripped nuts. -Made of alloy steel, it is rust-proof, corrosion-resistant, and strong enough to withstand repeated use in all situations. -Easy to use, simply clip the extender onto your wrench handle to extend its length and increase torque. -Widely used for various standard wrenches, such as hexagonal wrenches, box wrenches, open-end wrenches, adjustable wrenches and socket wrenches, etc. Specification: Colour: silver Material: alloy steel Size: about 34*3*1.5cm/13.39*1.18*0.59in .