High quality durable focal distance gauge/ruler.
Measures from 27mm to 4mm distance under laser nozzle.
Fully metallic. Comes with keychain ring.
Note this gauge is also included with Ramp Focal Gauge Kit
Made in USA
We developed this useful focal gauge which will help you determine optimal distance from your laser nozzle to the material. Results will show up as clear numbers, no need to guess, use calipers or rulers. Process is quick and simple, based on the “ramp test”, but at higher precision and...