The 1046 Standard 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 the trimmer models #8040 AC Trimmer, #8792 Sidekick, #8900 Rechargeable Trimmer, #8900-500 Rechargeable Trimmer, and #9985-600 Personal Trimmer. Package contains (1) Wahl Professional #1046 Standard Trimmer Blade, oil, screws, and instructions. These blades are not adjustable to zero-overlap. Made in the USA.