WORKPRO 5-in-1 Rivet Gun Set with 5 Sizes Interchangeable Nozzle,100 Rivets
£27.59
Do not unscrew the riveter in this case, just take the nose piece off the muzzle, then choose a larger nosepiece from the handle and install it on the muzzle, open the handle and you will find the stuck stem fall out automatically.
