brass knuckle knife 虎指刀

一、名称（Name）​中文说明：虎指刀，是一款兼具功能性与便携性的工具，常见于户外、应急等场景。​英文说明：Tiger Claw Knife, a tool with both functionality and portability, commonly used in outdoor, emergency and other scenarios.​二、尺寸（Size）​中文说明：规格为 280mm×52mm×8mm。其中 280mm 为总长，保证操作力臂；52mm 为宽度，适配成人握持；8mm 为厚度，兼顾结构强度与轻薄便携性。​英文说明：The specification is 280mm × 52mm × 8mm. Among them, 280mm is the total length, ensuring the operating moment arm; 52mm is the width, suitable for adult grip; 8mm is the thickness, balancing structural strength and lightness for portability.​