From Wahl Professional s commercial grade line of products this replacement 3-hole clipper blade refill is designed to deliver the sharp performance that experts demand. The Wahl Professional 1005-100 3 Hole Adjusto-Lock Clipper Blade is a replacement blade parts set for Wahl: Designer Senior Cordless Designer and Pilot making it ideal for many of the clippers in your Wahl professional collection. The 1005-100 3 Hold Adjusto-Lock blade is designed for off scalp clipper cutting and blending. Clipper blade replacement package includes the blade oil screws and instructions for easy installation.