Screws are : 100412 (M4 23mm) 100413 (M4 25mm) 157674 for damp areas (M4 27mm). x1 LARGE knob 117615 and x1 screw 100413. x1 LARGE knob (for damp areas) 124210 and x1 screw 157674. x1 SMALL knob 117616 and x1 screw 100412.
eBay