PIAA SUPER LIGHTWEIGHT LOCK NUT SET – 12 x 1.25mm 20pc Gun Metal finish #WLN2CS. Piaa Super Light Weight Aluminum Lock Set. 70% the weight of standard lug nuts. Available in 12×1.25mm and 12×1.5mm. Set includes 16 lugs, 4 locking lugs and 1 locking lug key. Piaa Super Light Weight Aluminum Lugs are available in Blue, Red and Gun Metal. Closed end conical seat. 34mm tall. 19mm head.