iFlight 3M 30 PCS Double-Sided Round Corner Adhesive Mounting Tape 1.5*1.5 Inch (40mm*40mm) for RC Model Assembling ESC Flight Controllers Size:1.5*1.5 Inch (40mm*40mm),0.1 inch(2.7mm) thickness Double-Sided adhesive, self sticky, rounded corner A must have for multirotor and FPV funs, used for mounting ESC, flight controllers