When removing collars in limited access areas, the Hi-Lok Crowfoot Wrenches collar removal tools may be driven directly with a standard hand ratchet, or fitted to an extension for deeper access. Omega Technologies is always available to answer your questions and make recommendations for the particular application in question. Omega Technologies also welcome user comments, suggestions, and feedback about our aircraft tools, their performance, suitability in various applications, and ways we might improve them.