PIAA SUPER LIGHTWEIGHT LOCK NUT SET – 12 x 1.5mm 20 PC BLUE FINISH. #WLN1BS. 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 Seven Sided locking lugs and 1 locking lug key. Piaa Super Light Weight Aluminum Lugs are available in Blue and Red. Closed end conical seat. 34mm tall. 19mm head. Limited to stock on hand. This item to be discontinued when stock is depleted. Replacement locking lug keys available, please call.