Replaces Harley Davidson OEM# 
Brand: RAM Mounts (RAP-B-379-HA1U)
Part 1 of a 3 part customizable mounting system. (Base, Socket Arm & Phone Cradle) This is only a base. Socket arm and phone cradle are customizable to fit your needs and must be ordered seperate when only ordering a base.
Marine-grade aluminum with a black powder-coat finish
1" rubber ball
Mirror post base fits any open mirror mount hole on motorcycles with relocated mirrors
Mounting hardware included
NOTE: 1/4" - 20 mirror post mount