The weight of this product is only 0.033lbs, which is as light as a key. The stainless steel material makes it corrosion resistant and waterproof, and the anti-rust function ensures that it can be used normally at home or outdoors. It can be applied to many scenes in life, such as bottle opener, hexagonal wrench, slotted screwdriver, key chain and ruler. The best auxiliary drinking gift, whether it is for your husband, boyfriend, father, brother, son, or just for your friends, they are outdoor travelers, professional bartenders.