Using high-quality gourd-shaped plastic material, it is durable and more resistant to rust than other metal blades. It is a perfect substitute for lawn mower blades. It is an ideal choice for blade replacement.Plastic splint blade can be easily fixed on your lawn mower, which is convenient for trimming and has a good precision cutting effect.No need to use other tools to install, safe and convenient, and convenient for daily weeding. Help remove all unnecessary weeds and make your place more tidy.Suitable for agriculture, animal husbandry, aquaculture, forestry, gardens, back gardens, etc.Compatible with Gtech ST01 ST02 ST04 ST20 lawn mowers. The part/product is not sponsored or endorsed by,or affiliated with the brands it fit,including Gtech