Park Tool 100-3D Professional Adjustable Linkage Clamp

Fits all generations of PRS-2, PRS-3, PRS-4, PRS-12, and PRS-33 stands, as well as PRS-5 stands
manufactured before 6/96
Grips nearly any tube from 7/8" to 3" (23–76mm), including aero tubes.
Infinite micro adjustability allows perfect clamping pressure every time and prevents damage
to thin-walled tubes.
Cam actuated adjustment system for quick entry, adjustment and exit.
Durable, replaceable jaw covers (part #1960).
Built to last: Powder coated, precision machined, die-cast aluminum main body parts and high
quality small parts.