Features 1、These blades are gourd shape, with glossy edges and wear‑resistant, easy to install and use. 2、Made of excellent plastic material, waterproof and durable, suitable for outdoor trimming work. 3、The kit contains 100 plastic blades, which are sufficient for easy replacement at any time. 4、These mower cutter blades will help make trimming more accurate as well as providing safety when pruning. 5、The blade has standard size and is not easy to fall off, which is very suitable for household lawn mowers. Specification Item Type: Plastic Cutter Blades Material: Plastic Product Size: Approx. 20 x 83mm / 0.8 x 3.3in Small Hole Diameter: Approx. 7mm / 0.3in Large Hole Diameter: Approx. 12mm / 0.5in Package List 100 x Plastic Cutter Blades