CarboTitanium 45mm blades are 8 times harder than steel so they stay sharper, longer. This trimmer cuts up to 10 sheets of 20 lb. paper and is great for thick cardstock, plastic, photographs and more. The EZ-Change push button allows for easy release of a used blade cartridge. Secure locks at each end of the cutting rail hold paper to ensure straight cuts.Details:White and natural wood23" x 16" x 5.1"Alignment grid and on-board measurements in US and metric for precise measuring and accurate trimmingIncludes space to store spare blades15 year warranty