1. one way removers One Way Screw Remover and Installer Sets xOne Way Screw Remover and Installer Sets x U S Patent 5450776 ROC Worldwide Patents Pending 2 3 4 5 Loosen set screw Move up the slide collar to adjust tip depth Seat tip into one way screw head Align slide collar flush with surface Tighten set screw Apply steady pressure while removing one way screw Manufacturers screws may vary in size To align collar with surface it may be necessary to hammer the collar onto screw head For best results slide a short piece of pipe over the shank and tap it gently to seat the collar flush to the surface The collar must cover the entire screw head to work properly