THE HANSFORD/DAVIS D-4011 IS A KEYSEATER MACHINE. THE TECHNICAL SPECIFICATIONS FOR THIS UNIT INCLUDE A KEYSEATER WIDTH OF 3/8 INCHES, A HEIGHT OF 1 INCH, A PITCH OF 1/2 INCH, AND A LENGTH OF 20 INCHES. THIS EQUIPMENT UTILIZES 3/8IN X 20IN TOOLING AND IS IDENTIFIED BY THE PART NUMBER D-4011.