Bosch Professional Power Tools & Accessories Middle East - Hexagon or square? It doesn't matter! Our GDX impact drivers/ wrenches with 2in1 bit holders have 1/4"" internal hexagon and 1/2"" external square
Buy Bosch GDX 18V-180 Professional from £86.99 (Today) – Best Deals on idealo.co.uk
Bosch GDX 18V-180 Impact Driver, Magnetic bit holder not locking in, - YouTube