Mini size digital fishing scale: - ABS body with nylon strap and metal hook - Accurate to 0.01lb/ 0.005kg, Capacity: 88lb/ 40kg, Unit: kg/ lb/ oz/ jin - Blue backlit LED display - Automatic lock weight and tare function - Capacity overload indicator - Powered by 2 x AAA batteries (not includedA metal hook that can hook the fish's mouth perfectly. Special stainless steel material, does not rust, not easy to deform.You should know if the baggage is overweight before travel out. Please note that the metal hook is not detachable.