AASONS 4″(100mm) Angle Grinder Double Wheel Adaptor/Nut/Attachment for Using Two Blades, Cuts 1″(25mm) Gap Like Wall Chaser M10 Thread

Double blade adaptor For Wall Chaser & Slotting Tools – Cuts 1″ Gap in in go
Suitable for All 4″(100mm) Angle grinders (Any Make)
Suitable for all kinds of Masonary work
Ideal for Plumbers, Contractors, Electical Concealing Work
Saves Labour and time