==========================================IMPORTANTE: Este producto se importa de Estados UnidosPor favor revisa la fecha de entrega antes de comprar==========================================TÍTULO: 2 Sets Professional Replacement Clipper Blades, 2 Holes Adjustable Hair Clippers Parts Blades, Hair Trimmer Replacement Blade for Barbers and Stylists SilverDETALLES:Wide compatibility: these 2 hole clipper replacement blades are compatible with 8148, 8504, 1919, 2241, 2240, 8591 Different from the size of screws, there are large screws and small screws, 8148, 8504, 2241, 2240 are small screws, 8591 and 1919 are large screws Please make sure the matching model before purchaseQuality material: the adjustable clippers blade is made of stainless steel, corrosion resistant and wear resistant, the quality material can be applied for a long time, it is more pointed and stronger, thus it can work efficiently and provide better effectsHow to replace: adjust the blade to full forward position, and put the small top blade over the clipper drive finger, then place large bottom blade on top of small top blade, replace the screws and partially tighten Make sure the extreme left hand tooth of top blade must be on the first small tooth of bottom blade After blade is aligned, tighten screws, turn switch on and off a couple of times, and then check alignment of bladesFunctional and practical: these replacement blades are designed with 2 holes for easy using, 2 different sizes of hole diameter are provided for your clipper, including 3 mm and 1 mm, they can be attached easily and also convenient to maintain, in addition, this blade can provide an even and clean hair cutting optionPackage content: package contains 2 sets of clipper blades, convenient