The self-plugging Cherry Blind Rivet is a 2 piece assy. -
a hollow rivet and inner member or stem, drawn into or thru the hollow
rivet. Cherry CR162 & CR163 series rivets are now replaced by CR9162
and CR9163 series rivets which are less expensive but do require the use
of Cherry H-901-5-4C pulling head attached to G-25B hand rivet gun.