Packing List: You will receive 1 piece of toilet seat installation wrench. The size is about 20 x 3 x 2.5 cm / 7.87 x 1.18 x 0.98 inches (L x Head L x Tail W). It can be easily folded and carried in the toolbox without taking up space. Durable Material: The toilet lid hand tool is made of ABS plastic material, which is drop-resistant, rust-proof, durable, strong, unbreakable, and corrosion-resistant. Will provide you with a long service time. Universal Interface: This toilet seat mounting tool is designed with 10 mm, 13 mm, and 17 mm nuts. It is a multifunctional tool for loosening and tightening the toilet seat. Suitable for most toilets and different types of screws to meet your different needs. Universal Rotation & Labor Saving: This toilet seat repair wrench is designed with universal rotation, you don't need to rotate your wrist. It is more convenient and efficient for you to quickly disassemble and assemble the toilet seat/water heater/faucet/sink and other interfaces. Anti-slip