[Prime] OXO Good Grips Stainless Steel Pineapple Corer & Slicer – $24.54 Delivered @ Amazon US via AU

Link of it in action

• Cores and slices whole pineapples quickly and easily
• Comfortable, non-slip knob ratchets to allow for continuous rotations without adjusting your grip
• Measurement markings help prevent piercing the bottom of the shell