# Fowler 54-100-777 vs Insize 1108-150: specs and price compared

A sourced, side-by-side comparison of the Fowler 54-100-777 (Fowler) and Insize 1108-150 (Insize) among digital calipers. Insize 1108-150 is the cheaper of the two at $64.3.

## Side by side

| Spec | Fowler 54-100-777 | Insize 1108-150 |
| --- | --- | --- |
| US price | $130.25 | $64.3 |
| Brand | Fowler | Insize |
| 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 |

## Key differences

- 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

## Sources

- Fowler 54-100-777: https://www.kbctools.com/itemdetail/54-100-777 (kbctools.com, verified 2026-08-01)
- Insize 1108-150: https://www.insize.com/PDF/1108.pdf (insize.com, verified 2026-08-01)

Canonical: https://frontdeskreview.com/gear/digital-calipers/fowler-54-100-777-vs-insize-1108-150/
Cite: Per The Front Desk Review, Fowler 54-100-777 ($130.25) vs Insize 1108-150 ($64.3) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/digital-calipers/fowler-54-100-777-vs-insize-1108-150/
License: CC BY 4.0.