Fowler
Fowler 54-100-777
$130.25
Best Digital Calipers · head-to-head
Fowler 54-100-777 vs Insize 1108-150
A sourced, side-by-side comparison. Insize 1108-150 is cheaper at $64.3. Every spec and price links to its source.
No photo yet
Insize
Insize 1108-150
$64.3Cheaper
Which is better: the Fowler 54-100-777 or Insize 1108-150?
On the specs we track, they're closely matched. The Insize 1108-150 is the cheaper at $64.3.
As an Amazon Associate we earn from qualifying purchases. Prices verified at capture; live price may differ.
Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | Fowler 54-100-777 | Insize 1108-150 |
|---|---|---|
| US price | $130.25 | $64.3 alloycoatingsupply.com price. |
| Brand | Fowler | Insize |
| Released | — | — |
| Measuring range (in) | 0-6 in / 0-150 mm | 0-6 in / 0-150 mm |
| Resolution (in) | 0.0005 in / 0.01 mm | 0.01 mm / 0.0005 in |
| Accuracy (in) | ±0.001 in / ±0.02 mm | ±0.02 mm |
| Display type | LCD, absolute ceramic capacitive scale (ABS/incremental) | LCD, on/off-zero-mm/inch buttons, auto power-off |
| Material | Stainless steel frame | Stainless steel, meets DIN 862 |
| IP rating | IP54 | — |
| Data output | — | Yes (wired data output; optional wireless transmitter code 7315-25) |
| Battery type | CR2032, 3V | CR2032 |
Sources — Fowler 54-100-777: kbctools.com (verified 2026-08-01). Insize 1108-150: insize.com (verified 2026-08-01).
What's the difference between the Fowler 54-100-777 and Insize 1108-150?
Where the two actually differ on the specs we track (5 of 8). Matching specs are omitted.
- Resolution (in): Fowler 54-100-777 0.0005 in / 0.01 mm vs Insize 1108-150 0.01 mm / 0.0005 in
- Accuracy (in): Fowler 54-100-777 ±0.001 in / ±0.02 mm vs Insize 1108-150 ±0.02 mm
- Display type: Fowler 54-100-777 LCD, absolute ceramic capacitive scale (ABS/incremental) vs Insize 1108-150 LCD, on/off-zero-mm/inch buttons, auto power-off
- Material: Fowler 54-100-777 Stainless steel frame vs Insize 1108-150 Stainless steel, meets DIN 862
- Battery type: Fowler 54-100-777 CR2032, 3V vs Insize 1108-150 CR2032