Specification:
1. Measuring range:3-13mm( 1/8"-1/2")
2. Set: 4pcs/set
3. The sets contains:
Size A: 1/8" - 1/5" (3 mm to 5 mm)
Size B: 1/5"- 3/10" (5mm to 7.5mm)
Size C: 3/10" - 2/5" (7.5mm to 10mm)
Size D: 2/5" - 1/2" (10mm to 13mm)
4. Under uniform spring tension,
the plunger of the gage expand from the center to the diameter of the hole or width of slot being measured and then locked in place by a knurled knob,
the hole size is found by measuring over the two contact point with a micrometer or caliper.
5. The telescoping gauges are used to measure internal diameter or internal through-groove of the workpiece by comparative method.
6. Use: in the hole (or recess) inner telescopic spring piston, the inner diameter can be detected
With the use of a micrometer or caliper
With knurled locking device
Package Included:
4pcs/set Telescoping Gauge