The Kansai Lefty Thinner is an excellent thinner for the price!
Lifetime Warranty against faulty materials or workmanship
Japanese V-10 Cobalted steel, Korean hand-forged thinner (33 teeth)
True-left handed thinner - the sharp edge of the top blade is on the left-hand side of the blade or points to the left
Exceptional value 
Comfortable offset handles with convex-concave blades for smooth cutting
Adjustable click dial with spring-leaf tension plate for easy tension adjustment. Dials available in black, pink, purple, blue, or orange
33 teeth thinner (length is 6”)