HiSun Factory Copper Washer. The Size is Approx. is 10.5 x 17.8 x 1.97 mm
The Size is Approx. the Factory Copper Washer is 10.1 x 17.9 x 2.94 mm
This is the Early Model 2008-2012ish 700. This is shown by a the Bottom that has a 14mm Oil Drain Bolt Hole and the newer model has a 36mm Drain Cap and is flatter on the Bottom.
