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Stainless steel vernier caliper 722 with dual-scale slide rule and locking thumb roller

General Tools & Instruments

General Tools & Instruments 722 Vernier Caliper Gauge

SKU CH-E4X3-JWK6H MPN 722

A 5-inch vernier caliper measuring inside, outside and depth with 1/128" resolution

  • Sold asCard
  • Product typeCaliper
  • Key features* Vernier caliper * Performs inside, outside and full length
  • Perform inside, outside and depth measurements with one tool
  • Read fractional increments in 1/16" and 1mm steps on the slide bar
  • Lock the frame to hold repeat measurements securely
  • Advance the slide smoothly using the thumb roller
  • Graduated in 16ths and 32nds with vernier reading to 1/128

What this tool is

The General 722 is a fractional-scale vernier caliper built for mechanics, machinists and hobbyists who need reliable hand-held measurements. It handles inside, outside and full-length depth readings in a single compact gauge.

5-inch capacity and 1/128" vernier resolution

The slide bar carries 1/16" and 1mm primary graduations while the vernier scale resolves to 1/128". That combination decides whether the tool meets the precision your work demands.

Friction roller and slide lock for repeatable setups

A thumb roller advances the slide smoothly and a locking frame holds the jaw position for repeated checks. The carded package delivers one complete gauge ready for bench or toolbox use.

How it compares

Measured against everything we stock in Gauges & Tachometers, at today’s prices. Recalculated every night.

Price $14.99
Cheaper than about 88% of the 193 comparable items (median $35.99).

Specifications

Product
Brand nameGeneral
Model name722
Product typeCaliper
Size & build
Shipping weight0.11 kg
Package size295 × 95 × 3 mm

Questions about this item

What does the 1/128" vernier resolution mean when I am measuring a workpiece?

The vernier scale divides each 1/16" main division into eight parts, letting you read to the nearest one-hundred-twenty-eighth of an inch for fine fit checks.

How do the 1/16" and 1 mm graduations on the slide bar limit the measurement process?

The main scale shows whole 1/16" or 1 mm steps; the vernier then interpolates between those steps, so the finest inch reading is 1/128" while the metric side remains at 1 mm resolution.

What physical space does the 5" capacity caliper need on my bench or in a tool tray?

The tool measures inside, outside and depth up to 5 inches, so allow roughly that length plus the sliding jaw travel when laying it flat or standing it upright.

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