Ceramic blades for cutting tissue with Compresstome® slicers. Ceramic blades are durable and long-lasting, typically good for up to 3-4 weeks based on 1 sample per day. Ceramic blades are recommended for use on softer tissues when you need a step up in sharpness from the standard stainless steel razor blades, or when you wish to change blades less frequently. Sold as single blades.