1. Type: threaded ball studs, Flat studs,screw tire studs 2. Apply for: all kinds of cars, such as truck, racing car, general car, bicycle, alpenstock 3. Advantage: -- pure raw material -- easily installed&removed -- recycling use -- sizes & types are available -- good wear resistance -- strict tolerance controlled -- virgin raw material -- zinc plated for rust protection -- directly factory sale with good price -- short and on time delivery -- all the specifications can be used in cars -- samples will be given upon the inquiry