| These are now in stock! These cover many commercial keyways, not covered in the KNP set, including Sargent, Corbin, Russwin, Yale, Lockwood and more! This is a special introductory price! All keys are code cut, and on a chain ring to keep them together. They also include instructions, and a basic wooden knock block. Covers Schlage E/F, Sargent RA, LA, Corbin/Russwin, Yale GA, and more! 13 keys total.