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![1.3/8x6 BSW Thread Caliper Gauge Go / NoGo whitworth](https://images.findtheneedle.co.uk/findtheneedle/products/17098930.jpg)
Specification
Knife edge thread calipers
go & nogo 1.3/8" BSW
(BS 84, BS 919 Part 2)
Part Number ES-4201
For more information on 1.3/8x6 BSW Thread Caliper Gauge Go / NoGo whitworth talk to JLS Supplies Ltd
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