Following are some of the Cheap Swiss Army Knife Under $20 from Amazon
Wenger Air Traveler Swiss Army Knife
This is a Wenger model which includes a micro screwdriver, that can help you to fit eyeglass frames. The compact design also contains the basic and everyday useful tools such as scissors, a nail file, a nail cleaner, a toothpick, tweezers, and key ring. Rated at 3.6 points out of 5 and reviewed by 10 customers. The knife comes with the weight of 0.7 oz and 2.5 inches long. Amazon.com is giving limited lifetime warranty against workmanship and materials of the knife. You can carry this knife with you during air travel, because it does not contains knife blade. Overall great tool designed for air travel.
Wenger EVO 81 Multi-tool
This is also a Wenger model, come as multi tool which has 6 implements with 7 functions. 1.75 inches thin pen blade, 1.8 inches scissor which are spring less that comes with self sharpening design. The nail file is made up of stainless steel. It also contains necessary tools like nail cleaner, toothpick, tweezer, key ring. The surface contains ergonomic grip. The item weight is 0.7 oz. Over all the best small multi tool on the market, basically you will have no regret when you buy it.
This knife comes with 7 functions, it has 1.75 inches pen blade which is purely made up of stainless steel, it also has 1.25 inches spring less scissors which has self sharping design. The other accessories are nail file, nail cleaner, tooth pick, tweezers and off course key ring eye. The weight of this knife is 0.7 oz. It smartly designed as compact with convenient functions. Over all you can say this is a great, light-weight key-chain knife with all the basic tools for daily activities. The only bad thing about the knife is, you can remove the plastic plating, but if you can put them back. The tweezers and tooth-pick will eventually fall out. This is a simple truth of life of Swiss Army Knives Wenger or Victorinox. With 12 customer reviews it has 4.8 rating out of 5.
Wenger 16966 Swiss Army Evolution 63 Pocket Knife
This is specially designed to fit in human hand for a firmer and safer grip. Small and light weighted to carry around in my pocket where ever you go. This knife is reviewed by 4 customer on Amazon.com and has 4.5 rating out of 5. It comes with 7 functions which includes stainless steel blade which is 2.5 inches long, locking straight blade screwdriver, cap lifter, corkscrew that can also act as can opener, toothpick and tweezer. It’s 1.2 oz in weight and 3.25 inches long. Overall good quality and holds a edge well.
Classic SD Red
This Classic SD pocket knife is most popular knife among all the Victorinox line up. This knife comes in the traditional red color with shield logo on it. It measures 2.5 inches in length. This knife includes 7 most useful features which makes this knife so popular, it comes with knife blade, nail file with screwdriver, scissors, key ring and as always tweezers and toothpick. Over all this is great little pocket knife to have as key chain. You can proudly handover this to your little more than 7 year old kids under your guidance. The weight is 3.2 ounces and has 4.9 rating out of 5.