Concentricity Gauges G1-10 G1-20 G1-40.
G1-10 Concentricity Gauge is comprised of three main components for assembly.
#1) selection of standard or precison accuracy
#2) selection of main rollers
#3) select an indicator(s) and/or other accessories.
There are two classifications calibrated and directly traceable to (N.I.S.T.) Standard Black Gauges are guaranteed to be better than ≤ 4µm (.00016") accuracy.
Precision Gold Gauges are guaranteed better than ≤ 2µm (.00008") accuracy.
#G1-10 Standard Concentricity Gauge Model
#G1-10P Precision Concentricity Gauge Model
Gauge Specifications:
Diameter Capacity: 1/8" to 1" (3mm to 25mm)
Diameter Zero Capacity: 3/32" to 1/2" (1mm to 12mm)
Length Capacity: ≤ 4" (102mm)
Standard Accuracy: ≤ 4µm (.00016")
Precision Accuracy: ≤ 2µm (.00008")
Gauge Length: 10.5" (267mm)
Gauge Width: 4.5" (114mm)
Shipping Weight: 4.9 lbs. (2.2 kg.)

Note: Carriage is extra ex USA

Universal Punch 170-10 Top Rollers for model 10 Type: Top roller 3/4" x 9/32"/19mm x 7mm