【Waterproof & Anti-corrosion】The tube of the spring scale is made of aluminum alloy, while the hook and handle are made of stainless steel, making it resistant to saltwater. This handheld fishing scale does not require a battery, making it waterproof. 【Easy to Read Weight】This fish spring scale features a sliding marker that stays at the highest weight, giving you an accurate result in one second. 【Lbs & KG Indication】This fish weight scale measures both lbs and kgs, measuring up to 50lbs, with an increment of 0.5lb. 【Zero Setting & Hook Storage】The threaded cap at the bottom allows for quick zero calibration and tare function, ensuring accurate measurements. After weighing, simply push the hook up for safer storage. 【Fishing & Luggage & Kitchen】This portable hanging scale measures bass weight, helps hook tension and weighs baggage or grocery. The 4.5-inch rubber handle makes it stable & pain-free. This spring fish scale is made for fishing and traveling.It is quick measuring, waterproof and anti-corrosion.The marker slide stays at the peak weight for quick check. Large 4.5-inch rubber handle ensures the best control of weight. Both lbs and kg are displayed side by side.