Quantity: you will receive 3 newly upgraded blue double-layer lawn mower sharpeners, 1 black lawn mower blade balancer; double-layer sharpener to grind blades at multiple angles; the new double-layer design prevents the base from being heated and melting, the lawn mower blade balancer can quickly test the balance of the lawn mower blade Dimensions: double layer lawn mower blade sharpener has a diameter of 2.2 inches /5.6 cm, a length of 2.5 inches/ 6.4 cm, small enough to be suitable for a narrow space, rugged enough to sharpen blades and suitable for most electric drills High quality: the new lawn mower blade sharpener is made of double layer corundum, and can be used for a long time, reusable, and it will not break and hurt you during use; it sharpens blunt blades quickly and resharpens them, a great helper for lawn mowers and lawn Easy to use: the double-layer lawn mower blade sharpener only needs you to install it on the drill, which only cost you 10 seconds; it can quickly make the old blunt blade , simple, quick and convenient, can greatly save your time and energy, effectively improve productivity Wide uses: the newly upgraded mower blade sharpener is widely used for sharpening lawn blade, drill blade, sickle mower, mower, sickle bar cutter, rototiller and so on; a mower blade sharpener can be used on a mower blade to make the blade again Specifications: Colour: Blue + Black Material: Diamond + Metal Size: 6.4x5.6x0.7cm Package Contents: 3 x lawn mower blade sharpener 1 x lawn mower blade balancer Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.