The T Shaped Trimmer Blade set is intended for professional use only and is designed to deliver the sharp performance that experts demand. This is the standard replacement blade set for Sterling: Sterling Stylist and Sterling 5. Package contains (1) Wahl Professional T Shaped Trimmer Blade Set #1062, oil, screws & instructions. Trim around the face, ears, and neckline with ease with the t-shaped blade. These blades are not adjustable to a zero-overlap. Made in the USA.