How to Use: Just install it on the machine with a suitable aperture, and replace the of coffee bean harvesting machine. Specification: Item Type: Harvester Material: Plastic, Steel Weight: Approx. 2628g / 92.7oz Hole Size: Approx. 26mm / 1.02in Tooth Space: 9T Speed: 9000rpm Vibration Frequency: More than 2000rpm Suitable: Coffee, Cocoa, Olive Harvester Package List: 1 x Rake Note: 1. Please allow 0‑1 inch error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real as standard.