Conversion Assembly, For Use With Grainger Item Number 1U083, 1U092, 1U140, 1U141, 31NG96, 31NG97, 31NG98, 4YF87, 4YF88, 31NG47, 31NG48, For Use With Mfr. Model Number 1000, EE1000, Fits Brand Simplex, Includes Best Knob Assembly, Drive Shaft, Sleeve, Shaft Bushing, Aleve Ring, Best/Falcon//Eagle/KSP/Lloyd Matheson