RAM Tough Ball - B Series 1" - with camera thread (0.5 inch)

RAP-B-379U-252050 – RAM® Tough-Ball™ with 1/4"-20 x .50" Threaded Stud (B Size)

The RAP-B-379U-252050 is a RAM® Tough-Ball™ with a 1" B-size rubber ball on a 1/4"-20 x .50" stainless steel stud. The longer half-inch stud suits the standard camera and camcorder thread, giving you a B-size ball that drops into any B-size RAM® double socket arm.

Key Features

• 1/4"-20 x .50" male thread, matching most camera and camcorder threaded holes
• 1" B-size rubber ball fits any B-size RAM® double socket arm for near-infinite adjustment
• High-strength composite body with stainless steel stud for marine and outdoor use
• Backed by RAM Mounts' lifetime warranty

Specifications

• Thread: 1/4"-20 x .50"
• Ball size: 1" (B size)
• Material: high-strength composite with stainless steel thread
• Weight: 32 g (0.07 lb)
• Load rating: 907 g (2 lb) standard use, 454 g (1 lb) heavy-duty use

FAQs

What is the difference between the .25", .50" and .625" versions?

Only the stud length. All three share the 1/4"-20 thread and the 1" B-size ball; pick the stud length that matches how deep the threaded hole on your device is.

Which RAM arms does it fit?

The 1" ball fits any B-size RAM® double socket arm and any B-size socket base.