Required for fitting accessory parts with Starlock, StarlockPlus or StarlockMax mount.

Fits

• FSC 2.0 Q (FSC 2.0 Q)
• FEIN SuperCut FSC 1.7 Q (FSC 1.7 Q)
• FEIN SuperCut FSC 1.7 Q Auto Glass (FSC 1.7 Q)