Suspension mounting system for XP series stringing machines:

Six-point mounting system provides 10-point maximum supports and eliminates any racquet distortion. Micro-adjustable head and throat mounting posts Single-action quick mounting arms (heavy-duty): turn a single knob to control both mounting arms. Padded K-shaped shoulder supports Padded head and throat mounting posts secure any frame (including deep V-shaped throats), no cosmetic damage to any frame.

Which stringing machines have this suspension mounting system?