RARE OEM Pachislo Slot Machine Spin Reel Knob for MANY Eleco / Mizuho machines.  Has unique silver color base.  Used in many machines including:

Beast Sapp

Gattu Ishimatsu

Haisai Hiohime

Hanabi Hyakkei

Hanadama Saru

Monkey Magic

Sinbad Adventure

...and MANY others.