Original Bosch auxiliary/side handle — part number 3602025012 — 43 mm diameter handle assembly engineered to restore two‑handed control on compatible Bosch mixers and percussion drills such as the GRW 11 E and GSB 90‑2 E.

This genuine Bosch replacement includes the 43 mm clamp and uses a threaded M8 mounting bolt for secure, direct-fit installation to the machine’s handle collar (listed as the associated subcomponents in Bosch power tool spare parts breakdowns).

A straightforward, durable spare for professionals and DIYers who need reliable stabilization while mixing or heavy drilling.