IGUATU : Mower Blade Model Number: Replacement Blade for Hair Clipper Type: trimmer For Function: For replacement blade 8148, , 8591, 8504, 2241 and 2240 Color: Black Material: stainless steel. Size: 4.5 x 3.8 cm Package contents: 2 x hair clipper blade set. Only the above package, other products are not included. Note: Due to lighting and different screen settings, the colour of the item may vary slightly from the actual item. The allowed measurement error is +/- 1-3 cm. INGREDIENTS Stainless SteelMake sure the far left hand tooth of the is aligned with the small tooth of the lower blade, you can then tighten the screws, you can turn on and off several times to make sure you have aligned blades. Turn the adjustable lever of the blade to the full position, place the small on the mower drive finger, then place the bottom blade on the small , use screws, and partially tighten. Hair clipper replacement blades are and wear-, suitable for long time use and can stay , sturdy and reliable to be applied for a long time. Our adjustable hair clipper blades are compatible with 8148, , 8591, 8504, 2241 and 2240, you can simply replace the blades according to your needs, and no need to choose a new trimmer, with proper installation, can work as efficiently as a. Each hair clipper replacement blade is designed with 2 holes, which makes it considerate and convenient to use, bring you a cleaner and more stable haircutting experience, also apply smoothly to brown most hair types with ease.