For measuring opposite sides of an object for transfer to rule or micrometer. Adjusting washer and nut allow for fast positive adjustment. Brushed metal finish. * 200mm Capacity with spring loaded action. * Knurled thumb screw for fine adjustment. * Lifetime guarantee*. * Model No. AK9771 https://elecena.pl/product/27195780/sealey-ak9771-spring-caliper-200mm-external 2024-11-09 https://elecena.pl/product/27195780/sealey-ak9771-spring-caliper-200mm-external 2026-07-04