Head to head
Bosch Professional GWS 18V-10 vs Festool CTL 26 EI
The Bosch Professional GWS 18V-10 is a 18v cordless 125mm angle grinder. The Festool CTL 26 EI is a mobile dust extractor for connected power tool extraction.
Last reviewed 13 September 2026
Specifications side by side
| Bosch Professional GWS 18V-10 | Festool CTL 26 EI | |
|---|---|---|
| Weight | 2.1 kg (excl. battery) | 13.90 kg |
| Disc diameter | 125mm | - |
| No-load speed | 9000 rpm | - |
| Spindle thread | M14 | - |
| Power consumption | - | 350-1200 W |
| Max airflow | - | 3900 l/min |
| Max vacuum | - | 24,000 Pa |
| Container/filter bag capacity | - | 26 / 24 litres |
Sources: Bosch Professional GWS 18V-10, Festool CTL 26 EI. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the GWS 18V-10 if...
The GWS 18V-10 is Bosch's mainstream cordless replacement for a corded 125mm grinder, used for cutting, grinding and deburring on site. It is one of the most widely stocked cordless grinders in the Professional range and is often the reference comparison for rival 125mm cordless grinders.
Full GWS 18V-10 specifications →Buy or hire the CTL 26 EI if...
The CTL 26 is the workhorse dust extractor that Festool track saw and sander owners buy to complete their system, with Bluetooth auto-start when a connected tool is switched on. It is chosen over generic site vacuums for dust class L filtration and integration with Festool's Systainer storage.
Full CTL 26 EI specifications →Common questions
What is the difference between the Bosch Professional GWS 18V-10 and the Festool CTL 26 EI?
The Bosch Professional GWS 18V-10 is a 18V cordless 125mm angle grinder; the Festool CTL 26 EI is a mobile dust extractor for connected power tool extraction.
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