Must specify exact size
54-556-814 Fowler Smart Plug Setting Rings: 70-80mm
The Fowler 54-556-814 Smart Plug Setting Rings has the following specifications:
Smart Plugs offer a fast, robust, and easy-to-use measurement option, offering superb accuracy and repeatability to less than 0.00005". The reliable 2-point measuring system is designed to withstand harsh manufacturing floor environments. Smart plugs are manufactured to specific diameters and offer short measurement ranges (around 0.007"). This dedicated design is a great fit for high-volume manufacturing and quality control.
Individual Smart Plug Rings: