Occasionally locksmiths need to service a locked door that they cannot pick open. Based on the HPC Lever Handle Remover, the Key-in-Knob Remover removes ball, tulip, and standard style knobs for servicing without damaging the lockset! It is designed for use on Grade 1 and Grade 2 knobsets that have a retaining pin that extends into a hole in the knob shank. Perfect when picking is not an option! A must-have tool for all security professionals.