About this item Blade Size: 10 model blade, cutting length 1.5mm-1/16 inch High Quality: the comb blade is made of 440C stainless steel, the movable blade is titanium-plated ceramic, the blade is sharp, the hardness is strong, and it will not rust when exposed to water. More heat-resistant than traditional carbon steel processes, and quieter in use Compatible Models: Compatible with Andis Ultra Edge, Compatible with Andis Ceramic Edge range for Andis models Detachable blade scissors and Compatible with Wahl KM ,Compatible with Oster A5 series Process Technology: the blade adopts the latest powder metallurgy technology and ceramic sintering process, the surface is chrome-plated to prevent rust, the blade is heat-resistant and cool, and cutting is more comfortable Customer First: if you can't install it, you can refer to the instructions on the back of the package or contact us in time, we will solve it for you within 12 hours