The RAP-B-379U-252050 consists of a 1" diameter rubber ball, connected to a 1/4"-20 X .50" male threaded post. The male thread matches most standard camera and camcorder female threads found on the bottom of the camera.
THREAD PITCH: 1/4"-20 x .5"
BALL SIZE: B Size (1")
WEIGHT CAPACITY: Standard Use: 2 lbs, Heavy-Duty Use: 1 lb
MATERIALS: High strength composite, Stainless steel threads
PACKAGING TYPE: Poly Bag
WEIGHT: 0.08 lb
RAM® Tough-Ball™ su 6 mm-20 x 12,7 mm (1/4"-20 x .50") sriegine smeige - B dydis