The Wahl Professional Standard Peanut Snap-On Clipper/Trimmer Blade is intended for professional use only and is designed to deliver the sharp performance that experts demand. Holding clipper/trimmer firmly, push blades away from the front of the clipper. Blades will come off in one piece. Then place the bottom tab of the blade chassis into the space provided in the trimmer housing and snap it into place. Package contains (1) Wahl Professional Standard Peanut Snap-On Clipper/Trimmer Blade #2068-300. Wahl: Peanut(s). A detachable blade allows for easy maintenance and replacement. Made in the USA.