Bosch's Oscillating Interface System, or OIS, is a unique 12-pin design that provides a secure connection between the multi-tool and accessory necessary for high torque operations. Bosch multi-tool accessories are faster, last longer and fit all multi-tools on the market directly or with the OIS adapter.
- 12 pin design provides a secure connection for high torque oscillating tools
- 4 in. tapered body with narrow tipped blade for precise removal in corners
- Ideal for cutting insulation, boxes and other soft materials
- Also compatible with the Fein MultiMaster Model 636 oscillating tool
- 4 in. HCS Serrated Knife Segmented Blade - OSC4K