B65-98 UNIVERSAL JOINT BRACE. Derlon Patent. Patented in 1892 by Arthur Derlon of Paris and also patented in France, England and Belgium. Designed for drilling in tight and enclosed spaces, with a very high gizmocity rating. This is the japanned version with a knob rather than handle on the rear. Japanning about 60%, knob and grip have light wear, works smoothly. From the collection of Jim and Christa Schoenky. Good+ 100-200