Folding Utility Knife, Heavy Duty, Triple Ground Blades Stay Sharp, Pocket Clip Klein Tools 44131 Lockback knife and utility knife together with easy push button open and close Triple ground blades stay sharp longer and contain a wire stripping notch Patented snap lock and sliding mechanism for quick blade changes Heavy duty durable construction and sturdy aluminum handle with fold-out blade housing Rubber grips on handle for improved control and comfort