This is a pack of twenty (20) genuine ALCOA brand Hug-A-Lug chrome 33mm hex shaped flanged wheel lug nut covers with inner clamps for hub pilot wheels. These covers work with 33mm hex shaped lug nuts with a height of 27 through 31 millimeters. Two inner clamps are included with each cover to ensure a tight fit for your lug nut. Simply slide one of the included clamps over your lug nut and screw the cover on. Alcoa premium nut covers are designed with a highly reflective finish to dress up and protect any rig. Easy to securely install – just snap on and snap off. These quality nut covers will keep your ride looking its best. Designed to fit over 33mm hex nuts for hub piloted wheels. Alcoa Wheels designed the first forged aluminum truck wheel in 1948 and Alcoa represents more than 120 years of experience in the production of aluminum along with more than 60 years in forged aluminum truck wheels and accessories. Their automated production lines guarantee quality standards that meet the most demanding demands of heavy transport. Rest assured that Alcoa products will keep you running down the road.