Standard size balltop from Sanwa, included with all their joysticks. Every balltop can be fitted onto any model of joystick regardless of manufacturer. If you require matching colors though, be sure to get a balltop from the same source as your buttons.Diameter: 35mm.
Joystick - Sanwa JLF-TP-8Y (Custom)
Sanwa JLF - Spare Parts
Joystick - Sanwa JLF-TPRG-8BYT-SK (Custom)