About Blades 2 x 24 Tooth Blades + 3 x Stainless Blades + 5 x Plastic BladesPlastic Blade: Suitable for mowing grass, providing clean grass and grass without breaking the lawn.Stainless steel blade: Suitable for rapidly pruning grass, weeds, and small shrubs.Circular steel saw: Strong cutting ability and suitable for pruning thick shrubs.The 24 tooth trimmer head is made of good quality metal material, sharp and durable.