The price reflects these damages. The Boker Solingen MACH-1 pocket knife has a Damascus steel blade and a handsome set of green aluminum handle scales. The knife is inspired by the Ford Mustang Mach-1, which appeared in green like this folder. Whether you’re a fan of the car or the knife, you can’t go wrong with this attractive, effective collector’s piece! Since 1869, Boker Solingen (the “Tree Brand”) has been making only the very best in sporting and collectible knives at its plant in Solingen, Germany. It channels its rich history into each of its products and is always innovating to stay on the cutting edge of the knife industry.