Color: Gray-20 The set Both are made. from reliable, durable plastic materials; Universal covers for tire bolt nuts, fit to all 17mm car wheel bolts or nuts; Color black, perfectly matches the colors of the wheels. Specifications: Color: Gray Material: ABS plastic Quantity: 1 set (20 pcs) Inside diameter: 17mm Height: 15mm Package size: 25 & times; 15 & times; 1.9cm Package weight: 85 g Package list: 20 & times; Bolt Nut Covers 1 & times; removal tool