Description Hex Wrench – 1/8″ – E-23 Long arm hex key measures 3-13/16 x 7/8 x 1/8 inch across flat sides. Fits hex socket head cap and set screws on many Bally, Williams, Data East, Stern, Gottlieb, and other flipper and mechanical assemblies. References; Bally – E-23 Midway – 0017-00009-0551
