# Starlock mounting system — Power tool battery platform and accessory interface compatibility

For Starlock mounting system, brand is Fein; system / platform is Starlock; compatible with is Starlock accessories; not compatible with is any of your existing OIS blades or accessories, recorded from its source on 2026-08-11.

- **Item:** Starlock mounting system _(verified: appears in the quote below)_
- **Brand:** Fein _(our reading, not quoted from the source)_
- **System / platform:** Starlock _(our reading, not quoted from the source)_
- **Compatible with:** Starlock accessories _(verified: appears in the quote below)_
- **Not compatible with:** any of your existing OIS blades or accessories _(verified: appears in the quote below)_

## What the source says

> The only hang-up is that new power tools from Bosch, Flex, Fein, and Festool that use the new Starlock mounting system will only work with Starlock accessories. The recessed mounting position won’t accept any of your existing OIS blades or accessories.

## Source

- https://www.protoolreviews.com/starlock-oscillating-multi-tool-system/

Last verified: 2026-08-11. Review by: 2027-08-11.
Part of [Power tool battery platform and accessory interface compatibility](https://referencesource.org/power-tool-battery-compatibility/).