Features: 1. Easy to install without any other tools, safe and convenient to save your time. 2. Plastic lawn mower blades, perfect replacement for garden trimmers, lawn mowers and lawn mowers. Suitable for agriculture, livestock, aquaculture, forestry, garden, yard, etc. Features: Material: plastic. Size: length 139 mm, opening 5 mm. Colour: red. Quantity: 10 pieces. Use: To replace the blade of the cutting head of a lawn mower. Content: 10 accessories for lawn mowers.