• Brand new straight from the manufacturer and have never been installed.
• A ring at the bottom beside the knurling.
• with Allen screw hole to adjust.
• A set of 2.
• These Will Fit 6mm Pot Shaft
• Excellent quality, Heavy duty for a lifetime of use.
• • •  install a knob that has a set screw on a split-shaft pot, align the screw with the split in the pot shaft before tightening.