REPLACEMENT BLADE DISC - The rotating spare disc for robotic lawnmowers is suitable for WORX Landrover S&M (up to 2020, not suitable for 2021 and models after 2021), Landrover, Kress and Einhell [note: blade holder]. Suitable for Worx / Landrover / Einhell / Kress models: spare disc fits Worx Landrover S&M M1000 2013-2015, M500B, M800i, M800, M1000, M1200i, M900, M500, M1000i 2016-2016. 2018 S390, S450i, S500i, S300, SG500i, SB700, S700i, S300, M500, M700, M1000 2017-2019 Replacement suitable for Landxcape LX812i, LX790, LX790i, LX792, LX793, LX795. Replacement suitable for Einhell Freelxo+, Freelexo Kit 900, Freelexo Kit 900. Replacement suitable for Kress Nano KR 101E, KR 100 6-blade cutting deck: The rotating robotic lawnmower is an upgrade from the old model to a 6-blade cutting deck, which significantly improves cutting efficiency. This ensures excellent grip and durability. Material: the cutting decks are manufactured on an injection molding machine from fiberglass-reinforced polypropylene. This makes the cutting plate very stable and durable. Easy installation: The cutting disc is very easy to install; no adapters are needed, which results in a cleaner cut and saves time and effort.