These are highly detailed resin miniatures and all are 32 mm.
Chainsaw Glitter Boy and pilot
https://palladium-store.com/1001/product/MI8053-Rifts-Chainsaw-Glitter-Boy-n-Pilot-Mini-Set.html
Triax Cyborg
https://palladium-store.com/1001/product/MI8052-Rifts-Triax-Borg-32mm-Resin-Miniature.html
Ley Line Walker
https://palladium-store.com/1001/product/MI8051-Rifts-Ley-Line-Walker-32mm-Resin-Miniature.html
Coalition Officer
https://palladium-store.com/1001/product/MI8050-Rifts-Coalition-Officer-32mm-Resin-Mini.html
CS Missile Launcher Dead Boy
https://palladium-store.com/1001/product/MI8049-Rifts-CS-Missile-Launcher-Dead-Boy-Mini.html