Instant purchase is OK. Installation difficulty: ⭐️☆☆☆☆ Plastic parts 《Camellia / Black Series》 Uses M6 nuts (6mm) Please be sure to check the bolt size of your car yourself. After inserting the included 6mm nut all the way in, hold the product's nut part and lightly turn it to determine the angle, then loosen and readjust with the inner nut to fix it. Always hold the included nut that you inserted all the way in first and tighten it. For any defects after purchase, please repair them by adhesion at the buyer's expense. Please refrain from purchasing if you are a perfectionist. Shipped by post 《No price reduction for single items》 #RearWiperCap #RearWiperCapAccessory