The RAP-B-379U-252025 consists of a 1 diameter rubber ball connected toa 1/4 -20 x .25 male threaded post. The male thread matches most standardcamera and camcorder female threads found on the bottom of thesedevices.

Features:

• RAM® Tough-Ball™ features a1/4 -20 x .25 male threaded post for connection to a variety ofdevices
• Included B size 1 RAM® rubber balls allows forconnection to any B size RAM® double socket arm; ball and sockettechnology allows for near-infinite adjustability
• Made ofhigh-strength composites with stainless steel thread post for durabilityand reliability in the most demandingenvironments

Specifications:

• THREAD PITCH: 1/4 -20 x.25
• BALL SIZE:B Size (1 25.4mm)