He used Rambo cues but here's the description in the link:
This cue is an exact duplicate of one of Willie Mosconi’s inlaid cues that are in the
Hall of Fame. This Cue was made by original Adam Japan Factory in A Helmstetter Custom Design From
Mosconi HOF Collection, This Beauty Hits and plays great. Its construction is entirely handmade with truly
8 prong assembly and hand cut inlays, this type of work is seldom seen in todays cue manufacturing.
This work of art which was made by the world famous factory of Adam , Helmstetter, Balabushka,
karella , Viscotti and many custom collectable designs. Only the Finest Ebony, and Burl maple w mother of pearl star inlays
leather Wrap 13mm Tip 5/16 x 14 joint
MSRP--- $1000.00