From Wahl Professional's commercial grade line of products, the 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 Wahl Professional AC Trimmer Precision Corded Trimmer 8040, Sidekick Trimmer 8792, Cordless Rechargeable Trimmer8900, Rechargeable Trimmer8900-500, and Personal Trimmer 9985-600. Package contains [1] Wahl Professional Standard Trimmer Blade Set 1046 – Great for Professional Stylists and Barbers. Includes blade, oil, screws, and instructions. These blades are not adjustable to zero-overlap. Made in the USA.