The Stagger Tooth Blade is designed to fit your Wahl Professional 5 Star Cordless Magic Clip #8148 (Also fits Senior) to give you a reliable and secure fit. The unique Stagger-Tooth 2 Hole Clipper Blade is designed to blend hair and create texture while cutting. This blade is also designed to create seamless blends when hard or soft line fading. Package contains (1) Wahl Professional Stagger Tooth 2 Hole Clipper Blade #2161, oil, screws, and instructions. Works with the Wahl Professional 5 Star Cordless Magic Clip (#8148). Made in the USA.