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

RAP-B-379U-252050-KAY1 – RAM® Tough-Ball™ with 1/4"-20 x .50" Threaded Stud for Kayaks (B Size)

The RAP-B-379U-252050-KAY1 is a RAM® Tough-Ball™ with a 1" B-size rubber ball on a 1/4"-20 x .50" stainless steel stud, supplied with a tooth lock washer for extra grip in kayak and marine fit-outs. The 1/4"-20 thread matches the standard camera hole, giving you a B-size ball for any B-size RAM® double socket arm.

Key Features

• 1/4"-20 x .50" male thread, matching most camera and accessory threaded holes
• Includes a tooth lock washer for added security on kayaks and in marine use
• 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
• Backed by RAM Mounts' lifetime warranty

Specifications

• Thread: 1/4"-20 x .50"
• Ball size: 1" (B size)
• Hardware included: 1 x 1/4" tooth lock washer
• 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

How is this different from the standard RAP-B-379U-252050?

Same 1" ball and 1/4"-20 x .50" stud, but this kayak version adds a tooth lock washer so the ball stays put under vibration and on the water.

Which RAM arms does it fit?

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