P Paul Contact options for registered users Vote on answer posted 3 years ago Wed, Dec 2, 2020 7:55 AM Show Quoted Text You smash the old knob and pull the metal bit out. Paul Reply toPaul Notify me about replies to my post Reply
M Max Demian Contact options for registered users Vote on answer posted 3 years ago Wed, Dec 2, 2020 11:51 PM Show Quoted Text The ones I have are all plastic which is why they don't last very long. Reply toMax Demian Notify me about replies to my post Reply