PERFECT FINISH: Protect the screws and nuts of your hubcaps from dust and rust with this set of 20 washable and durable parts. EASY ASSEMBLY: The caps are fixed by simply pressing on the bolt already put in place. place on the rim. No additional tools required! COMPATIBILITY: Compatible with 21 mm wheel nuts. THE PRODUCT: You receive a set of 20 pieces for 21 mm wheel nuts. Please check your bolt size before purchasing the guard. EUROPE BASED: Established in Germany since 2012, we offer many accessories and electronic devices that we are constantly working on to give you the best. PERFECT FINISH: Protect the screws and nuts of your wheel covers from dust and rust with this set of 20 washable and durable parts. EASY ASSEMBLY: The caps are fixed by simply pressing the bolt already in place on the rim. No additional tools required!COMPATIBILITY: Compatible with 21 mm wheel nuts.THE PRODUCT: You receive a set of 20 pieces for 21 mm wheel nuts. Please check your bolt size before purchasing