leaf caustic maybe starlock to ois adapter resist Cumulative dome
The Multitool Adapter™
Fein 35222952050 Starlock Adapter for Supercut / Vecturo
Starlock; adaptors? - Bosch - Power Tool Forum – Tools in Action
OIS UNIVERSAL ADAPTER
From Starlock® to OIS / OIS12 Multitool Adapter (screw)
Starlock Multitool Adapter™ (Screw-System) - Oslo Tool Company Int.
Multi Tools Shank Adapter For Starlock System Multimaster Power Tools Oscillating Saw Blade Adapter For Starlock Machines To Ois - Power Tool Accessories - AliExpress