●Material: Iron; Tape: Strong Type; Product Contents: Balance Weight (0.2 oz (5 g) x 12 pieces) x 100 pieces ●Eco-friendly and convenient iron balance weight for car and motorcycle wheel balance. This is a must have item for safe driving and preventing trouble ●It has a 0.2 oz (5 g) increment, and can be easily cut with scissors, making it very convenient. The back of the weight has strong double-sided tape for easy application ●Product Details: Size: (approx.) 0.2 oz (5 g). Piece Width 0.4 x Height 0.7 x Thickness 0.1 inches (11 x 19 x 3.7 ●For reliable installation, please make sure to remove dirt from the mounting surface with a brake cleaner. Also, because it is made of iron weight, it does not deform and may not be attached to curved surfaces