Double scale verniers calipers with 0 80mm/0 3.15" ranges and 0.1mm resolution ensures precise measurements in both metric and royal units. Lightweight construction with clear, wear resistant marking provide durability and easy readability for repeated classroom or workshop use. Ideal for students, hobbyists, and enthusiasts needing stable dimensional measurement tool for educational projects or home improvement tasks. Perfect for school lab, craft stations, and engineering workshops where easy carry , user friendly measuring instrument essential. Features smooth gliding jaw and not skid grips that maintain measurement consistency across various materials from paper to small mechanical component.