# Genesis GRT2103-40 Variable Speed Rotary Tool with 40 Accessories vs Bosch Professional GRO 12V-35 Cordless Rotary Tool: specs and price compared

A sourced, side-by-side comparison of the Genesis GRT2103-40 Variable Speed Rotary Tool with 40 Accessories (Genesis) and Bosch Professional GRO 12V-35 Cordless Rotary Tool (Bosch) among rotary tools.

## Side by side

| Spec | Genesis GRT2103-40 Variable Speed Rotary Tool with 40 Accessories | Bosch Professional GRO 12V-35 Cordless Rotary Tool |
| --- | --- | --- |
| US price | $19.99 | not published |
| Brand | Genesis | Bosch |
| Power source | corded | cordless |
| Amps or voltage | 1 A / 120 V | 12 V |
| Speed range (rpm) | 8,000–30,000 RPM | 5,000–35,000 RPM |
| Max (rpm) | 30000 | 35000 |
| Variable speed | Yes | Yes |
| Brushless | No | — |
| Ez change accessories | No | No |
| Included accessories count | 40 | — |

## Key differences

- Power source: Genesis GRT2103-40 Variable Speed Rotary Tool with 40 Accessories corded vs Bosch Professional GRO 12V-35 Cordless Rotary Tool cordless
- Amps or voltage: Genesis GRT2103-40 Variable Speed Rotary Tool with 40 Accessories 1 A / 120 V vs Bosch Professional GRO 12V-35 Cordless Rotary Tool 12 V
- Speed range (rpm): Genesis GRT2103-40 Variable Speed Rotary Tool with 40 Accessories 8,000–30,000 RPM vs Bosch Professional GRO 12V-35 Cordless Rotary Tool 5,000–35,000 RPM
- Max (rpm): Genesis GRT2103-40 Variable Speed Rotary Tool with 40 Accessories 30000 vs Bosch Professional GRO 12V-35 Cordless Rotary Tool 35000

## Sources

- Genesis GRT2103-40 Variable Speed Rotary Tool with 40 Accessories: https://www.homedepot.com/p/Genesis-Variable-Speed-Rotary-Tool-Kit-with-40-Accessories-GRT2103-40/203656925 (homedepot.com, verified 2026-06-20)
- Bosch Professional GRO 12V-35 Cordless Rotary Tool: https://www.bosch-professional.com/eg/en/products/gro-12v-35-06019C5001 (bosch-professional.com, verified 2026-07-10)

Canonical: https://frontdeskreview.com/gear/rotary-tools/genesis-grt2103-40-vs-bosch-gro-12v-35/
Cite: Per The Front Desk Review, Genesis GRT2103-40 Variable Speed Rotary Tool with 40 Accessories ($19.99) vs Bosch Professional GRO 12V-35 Cordless Rotary Tool (not published) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/rotary-tools/genesis-grt2103-40-vs-bosch-gro-12v-35/
License: CC BY 4.0.