" Material The blade of the lawn mower is made of high quality ABS plastic, which is sturdy and durable and unlike other blades in metal, don't have to worry about rust. Easy to use This trimmer knife blade is easy to install, easy to use. The secateurs can be cut and pruned without any problem. Good performance The replacement blade of the trimmer has good stability, safety and reliability. Can reach all weeds around trees without cutting or injuring them. Size This is a plastic blade that will fit most lawn mowers. Dimensions: length: 83mm, hole diameter: 12 * 7mm. (Please compare with the original hole size before purchasing ) Best choice Plastic lawn mower blades, 80mm long and 20mm wide. Good finish. Ideal replacement for lawn mowers and lawn mower blades. Pack of 100 Plastic Lawn Mower Blades, Replacement Blades for Edger, Lawn Mower Accessories, Replacement Plastic Blades, Big Hole 12mm Small Hole 7mm Features: 1. These are machine cutting knives. It is made of high quality ABS material, in perfect working condition, good stability and high reliability make it very durable. 2. Suitable for normal lawn mowers, easy to set up and take down. 3. This is a trimmer designed for the garden to effectively remove unwanted weeds from the lawn or garden. 4. The plastic lawn mower blade will help remove unnecessary clutter and make your own garden cleaner and more beautiful. Specifications: Material: ABS plastic Size: length 83mm Color: Red Number: 100 Packing list: 100 replacement plastic blades for grass trimmers "