Leofoto WN-03 Car Window Stabilizer The WN-03 multi-purpose window stabilizer is a versatile, multi-purpose and heavy-duty window mount that offers convenience using equipment around a vehicle. The window stabilizer has a 3/8th mounting stud and features two arms to secure it in place. The arms are made of aluminum, covered with leather, with rubber end caps to protect your vehicle. Length: 220mm / 8.66 inchesWidth: 150mm / 5.9 inchesHeight:270mm / 10.63 inchesPlatform diameter:75mm / 2.95 inchesWeight: 1.2kg / 2.65 lbs