I got these ones on mines amd never had a probelms with the, been on and off the car serval times and no problems at all
http://www.ebay.co.uk/itm/NEO-CHROME-Extended-Long-Tuner-Wheel-Lug-Nut-M12x1-25-Nissan-Subaru-Suzuki-/200908095455?pt=UK_Cars_Parts_Vehicles_Wheels_tyres_Trim_Nuts_ET&hash=item2ec70e3fdf