If you want or need a bushcraft or survival then consider this saw by Silky. The Silky Super Accel Z1 is an amazing high quality saw that will blow your socks off. Below is the product description from the asgearshop.com product page.
Lightweight folding saw with 8-1/3-inch blade specifically designed for aggressive cutting needs. Utilizes proprietary Silky MIRAI-ME (Smooth Cutting) Technology. The precision-ground, razor-sharp teeth have four cutting angles along the length of the blade and provide fast, clean and smooth cutting action. Blade easily and securely locks into two different angle positions for easy cutting. Use the first position for most cutting jobs. On occasion, the second flush cutting position proves invaluable in confined or unusual situations. Comfortable, rubberized aluminum, pistol-grip handle is easy to grasp especially on the pull-stroke when a greater cutting force is needed. Rated as one of the finest folding hand saws available on the market today, the SUPER ACCEL has consistently been a popular choice of arborists and gardeners worldwide. Exceptional design, strength, balance and superior finish quality. Suitable for all pruning tasks and outdoor activities. Comes in a blister pack. Made in JapanTechnical Features 8-1/3-inch (210 mm) blade length 6.5 teeth per inch (7.5 teeth per 30 mm) teeth configuration 0.45 pounds (200 grams) weight.