10 PCS 20x20mm 30.5x30.5mm Insulation Board Short Circuit Protection for Flight Controller ESC

Specification:
Item Name: Insulation Plate for Flight Controller or ESC 
Version: 20x20mm Or 30.5x30.5mm ( Optional)
Quantity: 10 PC
The Thickness of Plate: 1mm
20x20mm Version is compatible for ESC / FC with 20x20mm Mounting Hole 
30.5x30.5mm Version is compatible for ESC / FC with 30.5x30.5mm Mounting Hole 
Function: Short Circuit Protection

Package Included:
10x Insulation Board