Keen Kutter Questions
Keen Kutter Questions. by Paul M » Fri May 25, 2007 2:56 pm. Here is an old E. C. Simmons Keen Kutter, Serpentine Jack? Does anyone know the model number and approx date of manufacture? The knife measures 3-1/2" closed, 6" open. Both Tangs stamped E C Simmons, Keen Kutter, St Louis MO. No model number stamps.