JAMHER 20 Piece Trimming Thread Compatible for Lawn Mower AFS 23 37 F016800431 Replacement Cord, cm x 3.5 mm (20 Pieces)

Compatibility: for AFS 23 to 37 cutters. Length: 37 cm, Diameter: 3.5 mm Efficient cutting: Allows lines to stretch and spring off impacts on hard surfaces, and the aerodynamic shape reduces resistance for more efficient cuts Material: Durable polyamide nylon thread, durable and cuts grass faster, the nylon thread is flexible enough not to break easily, Supports fast cutting and longer service life Time savings: Fast and easy locking, no tools for efficient coil change, Reduces damage to the lawn trimmer and does not block when mowing Use precautions: Strong centrifugal force and fast cutting during use, recommend wearing eye protection and long pants to avoid unnecessary injuries. And this battery weed eater parts refill is only suitable for delicate weeds. Strong weeds are recommended to use blades for trimming