5 PCS Geprc 20x 20mm Or 30.5x 30.5mm Flight Controller ESC Insulation Plate Short Circuit Protection Specification: Brand Name: Geprc Item Name: Insulation Plate for Flight Controller or ESCVersion: 20x 20mm Or 30.5x 30.5mm (Optional) Quantity: 5 PCThe Thickness of Plate: 1mm 20x 20mm Version is compatible for ESC / FC with 20x 20mm Mounting Hole 30.5x 30.5mm Version is compatible for ESC / FC with 30.5x 30.5mm Mounting Hole Function: Short Circuit Protection Package Included:5x Insulation Plate