[Wide Compatibility] Replacement for clippers compatible with for wahl corded or cordless clippers, for wahl professional: 8148, 8504, 1919, 8591. Not suitable for trimmers. [Tips] Scissors are made of Carbon steel, please keep the oiled.The blade has been oiled when shipped and may be contaminated with dust during portation. Please carefully check the size of the blade and the hole position to ensure that it is suitable before purchasing. [Easy Installation] These scissor replacement are easy to install, all you have to do is follow the instructions for a very convenient installation. [] The are made of steel material with excellent craftsmanship, providing sharp performance for haircutting. [Professional Precision] and movable , both with 2-hole design. Adjustable blade clearance, long-life that stay sharp, standard replacement for professional use only. Colour:A:Silver/C:Gold & Black/B:Black Material:Stainless Steel+Ceramics Package Contents: 2 * Replacement Clipper Blade Only the above package content, other products are not included. Note: Light reflection 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.