专供装配硬度计之用，以保持准确之施压角度，使荷重能均匀稳定的 施压于受测试料，置试料圆盘之平面并可万向调整，避免试料表面不 平，造成误差。 Designed for adapting the hardness tester to retaining the accurate, steady and uniform forcing angle to the specimen and also avoid the test errors due to the uneven surface of it.Load 1kg (basic load), 5kg (1kg basic load + 4kg optional weight)