Genuine Bosch replacement knife (part F016L66388) — a precision steel cutting blade designed for the Bosch AVR 1100 verticutter/aerator. This small, hardened-steel knife is the individual cutting blade that attaches at position 55/5 on the AVR 1100 rotor assembly and restores the unit’s turf-opening/cutting performance to factory specification.

Key details:

- Part number: F016L66388 (also listed as F.016.L66.388).

- Purpose: replacement knife/blade for the cutting drum of Bosch verticutters/aerators (AVR 1100).

- Mounting: fits the blade position referenced as 55/5 in Bosch power tool parts diagrams for the AVR 1100.

- Construction: hardened/steel cutting blade made to Bosch’s original specification for a direct fit and correct cutting action.

Example Bosch models/types this part is used with:

- AVR 1100 — Bosch type numbers commonly shown with this blade include 3600H8A100, 3600H8A130 and 3600H8A170 (check your tool’s type number to confirm compatibility).

If your AVR 1100’s blade is worn, bent or missing, this genuine Bosch F016L66388 knife is a direct replacement that lets the machine cut or aerate cleanly again without modification.