Sakura Finetek- These Accu-Edge® replaceable blade scissors are sharp and prevent cross contamination every time a scissor is used for tissue processing. Blades are made from stainless steel and are autoclavable, corrosion free and easily inserted and removed with the use of an enclosed tool. Blades are available separately or as a pair. They are sold 5 pairs per package: sharp-sharp, sharp-blunt, blunt-blunt.