Description
The Insize (1124-300A) 300mm/12″ Digital Caliper with Interchangeable Points is a versatile, high-precision electronic/digital caliper designed for specialized measurements using customizable contact points. It allows users to swap interchangeable points to measure grooves, small holes, external/internal features, wall thicknesses, recesses, or other complex geometries that standard flat jaws cannot handle accurately.
Specifications:
- Measuring Range: 0–300 mm / 0–12 inches (effective range varies with points; short jaw ~1–12.7″ / 24–324 mm, long jaw ~1.5–13.3″ / 40–340 mm in some configurations)
- Resolution/Graduation: 0.01 mm / 0.0005 inches
- Accuracy: ±0.04 mm (±0.0016 inches)
- Jaws/Points: Interchangeable points system — supplied with 4 pairs of points (e.g., spherical for small holes, flat for external grooves, blade for narrow slots, conical or other types) + zero setting block for external measurement
- Display: Large LCD screen with inch/mm conversion, on/off, set/zero, preset (+/-), data hold, and automatic power off (move the digital unit to turn on)
- Material: Hardened stainless steel construction — durable, corrosion-resistant, suitable for humid workshop conditions
Features:-
- Supplied with 4 pairs of points and zero setting block for external measurement.
- Resolution : 0.01mm/ 0.0005″
- Buttons : on /off , set ,mm/inch, preset(+,-)
- Automatic power off, move the digital unit to turn power
- Battery CR2032
- Data Output
- Made of Stainless Steel
- Optional Accessory: points (code 1526-T101, 7392,7391,7381,7321 depth stop (code 6143), Data Output cable (Cable 7315-21, 7302-21)
| Point | Range | Accuracy | Application |
| short spherical/flat points | 24-324mm/1-12.7″(internal) / 0-288mm/0-11.3″ (external) | +
0.04mm |
Spherical points for grooves inside hole (small hole)flat points for external grooves |
| long spherical /flat points | 40-340mm/1.5-13.3″(internal) / 0-272mm/0-10.7″ (external) | +
0.04mm |
Spherical points for grooves inside hole (Large hole)flat points for external grooves |
| short spherical blade points | 24-324mm/1-12.7″(internal) / 0-288mm/0-11.3″ (external) | +
0.04mm |
For narrow grooves inside hole (small hole) |
| long spherical blade points | 40-340mm/1.5-13.3″(internal) / 0-272mm/0-10.7″ (external) | +
0.04mm |
For narrow grooves inside hole (Large hole) |

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