Metal Control Knob with Screw Fitting Metal Flat Top Control knobs for Electric Guitars Solid metal dome knob, 19 x 19mm with set screw, shaft size 6,1mm, ChromeThese knobs are made form solid steel and are suitable for most electric guitars, including Fender, Squier, Ibanez, PRS etc. A simple grub screw on the side of the knob is used to secure the knob in place.These will fit CTS pots as well as Alpha and similar pots. Comes with a sharp pointed grub screw. To install on split shaft pots, line up the pointed grub screw with the gap so the knob self centralises
