Material: Nylon. Overall Dimensions (approx.): Original 90 mm. Compatible with cordless trimmers GE-CT 18 Li, GC-CT 18/24 Li and GC-CT 18/24 Li P, BG-CT 18 Li, RG-CT 18/1 Li, AT 18 Li, GATE 18 Li, GC-RT 18 Li. About Blade Material: Made of PA6 (nylon), put the blades in warm water overnight before use, they last longer. About Blade Thickness: For better durability, we thicken the material, so it will be a little difficult to mount, immerse it in warm water overnight before use and use pliers to push it if necessary. Quantity: 60 pieces plastic blades for Einhell GE-CT 18 Li, GE-CT 18 Li-Solo, GC-CT 18/24 Li-Solo, GC-CT 18/24 Li P-Solo and GC-CT 18/24 Li P.