The RAP-B-379U-252025 consists of a 1″ diameter rubber ball connected to a 1/4″-20 x .25″ male threaded post. The male thread matches most standard camera and camcorder female threads found on the bottom of these devices.

Features:

• RAM Tough-Ball features a 1/4″-20 x .25″ male threaded post for connection to a variety of devices
• Included B size 1″ RAM rubber balls allows for connection to any B size RAM double socket arm; ball and socket technology allows for near-infinite adjustability
• Made of high-strength composites with stainless steel thread post for durability and reliability in the most demanding environments

Specifications:

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