1.1/4x7 BSW Thread Caliper Gauge Go / NoGo whitworth

Specification Knife edge thread calipers go & nogo 1.1/4" BSW (BS 84, BS 919 Part 2) Part Number ES-4200

For more information on 1.1/4x7 BSW Thread Caliper Gauge Go / NoGo whitworth talk to JLS Supplies Ltd