These high-quality black Davies 1900h clone knobs come with a brass insert, which keeps them from breaking or stripping out. The brass insert is NOT included in most eBay knob listings, and without it, the set screws will easily strip out, sometimes even on the first try.
- Brass insert and set screw
- Works with D-shaft, smooth shaft and knurled shaft
- Shaft size: 6.4mm
- Height: 15mm