These are precision fit 12mm Hubcentric wheel spacers, In this kit you get 2 spacers and 10 extended wheel bolts. These are easy to fit, simply remove your wheel fit the spacers onto the hub (make sure nothing is fowling it onto the hub) and refit the wheel with the longer bolts.

Brand: MTEC
Grade: T6081
Unit Quantity: 2
Country/Region of Manufacture: Italy
Performance Part: Yes
Seller Warranty: 1 Month