Customized Wheel Nut Car Wheel Lock Nut The size: the most popular size is M12*1.50 and M12*1.25, we also have 1/2", 7/16", M14*1.25 and so on. Application M12 x 1.50 Fits for Honda, Acuras, Toyota, Lexus, Mazda, Mitsubishi, KIA, Hyundai etc. M12 x 1.25 Fits for Subarus, Nissans, Suzuki etc This is regular hexagon nuts, the top of regular hexagon is flat, you can find a normal socket to unscrew it, While this nut top is irregular five-petaled flowers, and this is called key, not socket. Only this key can unscrew the nut. One wheel only needs one nut to anti-theft. MOQ is 500 sets, we also can provide customers with customized products and services. Delivery time: 30-40daysCustomized Wheel Nut website:http://www.dh-wheel.com/car-wheel-accessories/wheel-nut/