Genuine Bosch part 1609B04079 — replacement adjustment knob for Bosch slide mitre saws. Designed as a direct-fit knob used for angle/setting adjustments and secure clamping on the control/fence assemblies of Bosch GCM-series saws, this compact black knob restores original feel and fit so your saw’s adjustments lock up cleanly again. Examples of compatible models include GCM 800 SJ, GCM 8 SDE, GCM 8 SJL and the cordless GCM 18V‑216 (confirm your saw’s type/10‑digit type number from the side of the machine before purchasing goods to confirm fit). Sold as a single Bosch replacement (referenced 1.609.B04.079), it provides the same form and mounting position as the factory part for quick swap‑out and straightforward installation.

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