If you want to put a motorcycle solo seat on your bike, You will need a set of these to mount your hairpin or coil springs to! 

Specs:

• Mild steel seat spring post - perfect for welding to a well prepped steel frame
• R-Clips to retain seat springs
• Leather washers to protect paint and keep the springs quiet

Each set includes a leather cushion for the spring and two R-clips to keep the springs on when you jump off the curb rollin out of your moms driveway.