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Description
RAM X-Grip Universal Smartphone Cradle - Tough Ball BaseRAM HOL UN7B A 379 M616U RAM X Grip Phone Mount with M6 Tough Ball Base (Short Arm) The RAM HOL UN7B A 379 M616U pairs the RAM X Grip universal phone cradle with a RAM Tough Ball on an M6 threaded post and a short alloy double socket arm. The M6 male thread lets you turn a suitable existing bolt hole into a 1" ball mounting point, ready to take the X Grip. Key Features Spring loaded 'X' design with rubber caps grips the phone firmly without covering
RAM-HOL-UN7B-A-379-M616U – RAM® X-Grip® Phone Mount with M6 Tough-Ball™ Base (Short Arm)
The RAM-HOL-UN7B-A-379-M616U pairs the RAM® X-Grip® universal phone cradle with a RAM® Tough-Ball™ on an M6 threaded post and a short alloy double socket arm. The M6 male thread lets you turn a suitable existing bolt hole into a 1" ball mounting point, ready to take the X-Grip.
Key Features
- Spring-loaded 'X' design with rubber caps grips the phone firmly without covering the screen, camera, or buttons
- Tough-Ball™ base with an M6-1 x 6mm male threaded post connects to a variety of threaded points
- Short alloy double socket arm; ball-and-socket design allows near-infinite positioning
- Includes an optional device tether for extra security during rugged use
- Powder-coated marine-grade aluminium, stainless steel hardware, and high-strength composite; backed by a lifetime warranty
What's Included
- RAP-B-379U-M616 1" Tough-Ball™ with M6-1 x 6mm male threaded post
- RAM-B-201U-A short double socket arm
- RAM-HOL-UN7BU X-Grip® universal phone cradle with device tether
Dimensions & Specifications
- Thread: M6 x 1, 6mm length
- Arm overall length: 60.5mm (2.38"); socket-to-socket 51mm (2")
- Cradle minimum device width 47.6mm (1.875"), which needs a minimum height of 108mm (4.25")
- Cradle maximum device width 82.6mm (3.25"), which needs a minimum height of 57.2mm (2.25")
- Cradle maximum device thickness: 22.2mm (0.875")
- Ball size: B size, 1" rubber ball
- Load capacity: 907g (2 lb) standard use; 454g (1 lb) heavy-duty use
- Weight: 213g (0.47 lb)
- Materials: powder-coated marine-grade aluminium, stainless steel, high-strength composite
Compatible Devices
The X-Grip cradle fits hand-held devices within the width and thickness ranges above. Always measure your device with any case, sleeve, or skin fitted before ordering. For the full list of compatible models across 14 major brands, see our RAM-HOL-UN7BU cradle listing.
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Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.0 ★★★★★
Based on 16 reviews
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Product Reviews
★★★★★ 5
Favorite toy
Size: Small, Number of Items: 1, Size: Small, Number of Items: 1
This is my dog’s absolute favorite toy. When I fill it, it’ll keep him busy for up to an hour, and even when I don’t fill it, he likes to tip it around to check for missed treats quite often. It’s super sturdy, and just the right size for him (20 lb mini schnauzer).
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Reviewed in the United States on April 18, 2026
★★★★★ 5
Perfect Enrichment for my Puppy
Size: Small, Number of Items: 1
Amazing!! Super durable and exactly what I was looking for! My dog loves this and it keeps him very busy! It fits about half a cup inside and can be used anywhere.
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Reviewed in the United States on June 1, 2026
★★★★★ 4
Can't be clean but provides fun.
Size: Small, Number of Items: 1
It's well made and our pup really does like it. The only thing is, it doesn't fully open to clean it out. I wouldn't buy it again for that fact. It's tough plastic and sturdy.
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Reviewed in the United States on April 13, 2026
★★★★★ 5
Best dog toy!!
Size: Large, Number of Items: 1, Size: Large, Number of Items: 1
Best dog toy ever. They stayed occupied and have fun !
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Reviewed in the United States on June 8, 2026
★★★★★ 3
Good contruction but needs a couple revisions
Size: Small, Number of Items: 1
Searching for an interactive toy to feed my beagle his meals from, I first tried the
. It split open too easily in rough play and only had the capacity to hold half of a meal.
Next I tried
for it's larger capacity but it broke at the lid (to Premier's credit they replaced it but I feared it would simply break again).
Now on to the Bob-A-Lot. This is a heavy, well made product. I was surprised by the weight. My dog can pick it up but can't carry it for very long. I feel it's not going to break like the others did. That said, the extra weight makes it a noisy toy especially on hard wood floors.
The small Bob-A-Lot holds a little over 1 cup of food (large holds 3 cups) but there is a caveat. This is the capacity of the lower chamber. There is actually a separate chamber in the top of the toy that only holds about quarter cup. As a result I have to shake and shake the toy myself to get the food to drop into the lower chamber to load in a complete meal. It's either that or insert food 1 piece of kibble at a time. I wish this toy screwed apart like the IQ Treat Ball or Tug-A-Jug. Despite it's appearance, it does NOT screw apart in the middle.
Also slightly annoying is the bottom door doesn't stay fixed into position well. The IQ Treat Ball smartly has several positions for the door to stay locked in. The Bob-A-Lot door is fully adjustable but has often come open more than I want during feeding. As a result the kibble will spill out faster which ruins the challenge. I inquired to Starmark support and they suggested that I use a bit of cardboard or some such to try and jam the door into a specific position. This right here tells me that some additional design could be used.
I'd say that the Bob-A-Lot was designed with dogs in mind but not humans. It's a chore to load in the food. And then the door opens too much giving the dog an easy meal. I might even guess that it takes less time for my dog to empty it than it takes for me to fill it. Overall it's the best option I've found but I'm still searching for the perfect combination of all 3 of the toys.
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Reviewed in the United States on July 30, 2011