L-30 Finger Guard is highly recommended for proffessionals as well as users who prefer DIY. It's finger protection arm stabilizes cutting depth which helps to prevent from skidding of knife in the user's palm. It carries 2 more spare blades in the handle, allowing for convenience in switching between a good sharp blade and a used broken dull one. The blade is made of black carbon which has fewer impurities than the average blade making it sharper as well as longer lasting. It's anti-slip design allows for users to be able to grip on it more firmly and also allows for the knife to be used on more heavy duty jobs. Product is made in Japan.