Features 1.These replacement trimming blades are made of plastic, wearresistant and scratchresistant, and can be used in various environments. 2.Gourdshaped appearance design, smooth and burrfree, does not hurt your hands and is easy to install and replace. 3.The kit contains 100 plastic blades, which are sufficient for easy replacement at any time. 4.The diameter of the blade hole is standard, it is not easy to fall off after installation, and it is safer to use. 5.Often installed on lawn trimmers or garden trimmers to improve the efficiency of trimming. Specification Item Type: Plastic Cutter Blades Material: Plastic Product Size: Approx. 20 x 76mm / 0.8 x 3in Small Hole Diameter: Approx. 7mm / 0.3in Large Hole Diameter: Approx. 12mm / 0.5in Package List 100 x Plastic Cutter Blades