Description Knob, 2" Pointer for Associated Eqpt Timers and Switches - Spring Lock Clip - Direct Replacement for Associated 603147 Black plastic knob with 2" pointer, Spring Lock Clip for ease of assembly. 1/4" D-Shaft with Spring Clip Lock, fits all Associated ™ 1/4" D-Shaft rotary rate switches & electro-mechanical timers. May be used with Power Forged ™ 697015 rotary rate switch, NOT recommended for other Power Forged ™ rate switches (697012, 697013). NOTE: Will NOT fit Power Forged ™ Timers (697060A. 697120A, 697122, 697124) Pointer Length: 2" (51mm) Height: .63" Shaft Diameter: 1/4" (6 mm) (3/4 flat D-Shaft) Material: Phenolic Resin (plastic) Color: Black