Pipe Thread Gauge NPS National Standard Straight Pipe Thread Identifier - Sizes 1/8-3/4
- National Standard Straight Pipe Sizing (NPS) - Identify NPS nominal thread sizes from 1/8" to 3/4"
- Solid steel thread checker on wire lanyard with knobs and slots with permanent, easy to read size markings that won't peel off
- Shatterproof, color coded polpropylene gauge dividers for recognition at a glance
- Chemical resistant (tested and approved!)
- Convenient design for easy storage and transportation