This clamp has a NON-threaded center socket with countersink; mounting screw drops through from above into tapped female socket. This clamp cannot spin onto a threaded post. The B2-AS II clamp mounts on RRRS ballheads, as well as some other tripod heads. Please check your model to verify you can swap clamps or consult our knowledgeable Customer Support Representatives for compatibility.
Visual Confirmation of Lock Position
Less Abrasive, No Twisting
Super Tough, Reliable
50 lbs. of holding power under full compression
Bullseye Spirit Level
Laser Engraved for precise and repeatable positioning
In The Box:
B2 AS II Lever-release style quick-release clamp
(1) Flat head screw, stainless steel, ¼"-20 x 3/4"
(1) 5/32" hex-key
Jaw Length: 2.4" / 60mm
Width: 3.4" / 87mm
Height: 0.6" / 16mm
Weight: 5.6 oz / 159g
Center Hole not threaded; comes with one 1/4"-20x3/4" flathead screw and hex key