Head and throat mounting posts for Challenger series stringing machines:
Could move in and out without any adapter.
Padded mounting posts
Secure any frame (including deep V-shaped throats), no cosmetic damage to any frame.
Which stringing machines have this mounting post?
Stringing Machine Models
Pioneer FL, Pioneer DC, Revo 4000, Axis, Axis Pro, Blu-DC Plus, Jupiter, Power Express, Revolution, Saturn, and Orbitor