1. Made of stainless steel, excellent rust resistance, anti acid and alkali, wear-resistant and long service life 2. Smooth edge with 0.75mm thickness, razor sharp, cut grass smoothly from all directions, mow just a little grass at a time, naturally fertilizing the soil, keep your lawn clean, green and healthy 3. Not only provides better rust resistance, keeps the mower high efficiency even in bad weather, also less sediment and long-lasting, does not fade 4. [Easy to Change & Reversible] - Replacement blades are very easy to install and change with screws (included), the tips are double-sided, you can reverse while one side is blunt 5. [Wide Use] - Suitable for all models of and for , such as 105, G1, G2, Solar Hybrid, 220AC 230ACX 260ACX 265ACX 305 310 315 320 330ACX 420 430X 440 450X R38Li R40Li R45Li R50Li R70Li R75Li R80Li R100Li R130Li R160Li R165 R180 Sileno smart, also suitable for 1200R NOTE: Be careful of the sharp tips of the razor, keep them away from children. The blades