The Sealey 200mm Spring Calipers Internal offer increased measuring capacity for medium to larger bore diameters and internal dimensions. This 200mm size strikes an excellent balance between versatility and manoeuvrability, making it suitable for a wide range of automotive, engineering, and general workshop measuring tasks. Featuring spring-loaded action for smooth, controlled operation, these calipers maintain consistent tension throughout the measuring process. The knurled thumb screw provides fine adjustment capability, allowing you to achieve precise measurements with ease. Designed for measuring distances between two points, such as bore diameters, the measurement can be accurately transferred to a rule or micrometer for reading. The adjusting washer and nut mechanism enables fast and positive adjustment, whilst the brushed metal finish ensures durability in demanding workshop environments. Features and Benefits:200mm capacity for medium to larger measurementsSpring-loaded a