The plastic base of single-layer lawnmower blade sharpener is not heat resistant. The double-layer grindstone is fragile, cannot achieve the desired effect, and has short service life. We have performed thousands of experimental calculations and improved the raw materials of sharpener. Our lawn mower blade sharpener is provided by the original factory, with absolute quality assurance.Features:1. Replace base of lawn mower sharpener with stainless steel to avoid deformation and damage due to excessive rotation speed during use.2. The grindstone itself uses a more suitable density material and grinds faster, so as to achieve the desired effect.3. Widely used for grinding lawn blades, drill blades, lawn mowers, sickle mowers, rotary tillers, etc.Specification:Color:Sharpener, stone color + silverBalancer, blackStyle. stainless steel base sharpenerMaterial: stainless steel, ABSSize: stainless steel base sharpener about 6.5*5.0cm/2.56*1.97inchPacking List:Mower Blade Stainless Steel Base Sharpener*3Balancer*1Note:We recommend that you apply oil on the mower blades to prevent them from dulling.