If the balusters you purchase do not come with bottom pins and you need them, then
simply order the LJ-PIN-EZ. These are 1-3/4" deep with a 9/32" dowel pin and a 3/4" bottom pin.
You made find the LJ-3035 Centaur tool and LJ-3036 Dowel-Fast Tap handy on large jobs.
Wood Baluster Pin
Used in the predrilled hole in our "LJ" line wood balusters
Provides an alternate installation method