The RAM Mounts Handlebar U-Bolt Mount 1/4"-20 Studfrom RAM Mounts Handlebar U-Bolt Mount 1/4"-20 Studis a mounting bracket featuring a U-bolt base on the bottom, a round mounting platform with a 1/4"-20 screw on top, and a double socket arm in between. The top and bottom components each feature a rubber 1" diameter ball joint that attaches into the socket arm. The socket arm has matching 1" diameter sockets that also support various other 1" ball components from RAM MOUNTS.

Two interchangeable U-bolts are included. Between these two, you can secure this U-Bolt Mount around rods and rails measuring 0.5 to 1.25" in diameter. The U-bolt goes through the U-bolt base and is fastened with two included nuts. Black cover caps further attach on what remains exposed after the nuts are secured, allowing for a clean look. A U-bolt spacer is placed between the U-bolt and your rail to allow for a strong and safe hold. The U-Bolt Mount supports up to 2 lb, so you can attach accessories, action cams, and other gear.

Secures to Rails 0.5 - 1.25" in Diameter    Round Mounting Plate with 1/4"-20 Screw    1" Diameter Socket Arm; 2 lb Capacity    Interchangeable Ball Joint System

Related Questions and Answers

Q: 1. Seems like the design has changed over the years - does this currently have a rubber or aluminum locking disc?

A: The disc that is part of the gip head on the Kupo 4-1/2" Grip Head With 1-1/8" Stud and Receiver is a rubber like material.

Q: 2. Can this connect to Z8 tripod socket and will female socket connect to Black Rapid 7.25" Safety Tether II carabiner?

A: The Pearstone Accessory Shoe Adapter with 1/4"-20 Stud Connector can be connected to the tripod 1/4 20 receiver but the BlackRapid Camera Safety Tether II has nowhere to connect to the shoe adapter.

Q: 3. What's the total length of the stud?

A: Overall length 35.88mm or 1.412 .The 3/8 threaded part is about 16.90mm.The dual-threaded part is about 16.12mm of which about 7.2mm is 1/4 threaded.

Q: 4. Has anyone mounted a monitor to this boom and if so, how was it done? What is the diameter of the pole between the 2 rubber hand grips?

A: You would be able to use a 1/4 20 with a clamp to mount it on the boom, unfortunately not able to find the diameter. https://www.bhphotovideo.com/c/product/1422137-REG/smallrig_2161_multi_functional_crab_shaped_clamp.html

Q: 5. How much weight can it hold?

A: This scissor clamp would be limited by how well the ceiling was anchored and supported.

Q: 6. I know this is a silly question but I do not want to accidently damage this unit. What is the correct way to remove the rubber pad on the bottom to expose the hole for the feet?

A: This should only be a protection cap for travel and should be easy to remove.

Q: 7. Specs says it is metal, is that steel or aluminum?

A: The Pearstone Accessory Shoe Adapter is made of aluminum.

Q: 8. 14.3 lbs on a 1/4" - 20 ?? Am I the only one who doesn't trust this tiny screw to support a moving camera rig (under stress)? Engineers please weigh in and reassure me.

A: If your camera/device has a 1/4-20, this will handle it. If you look up the tensile strength of 1/4"-20 bolts, you will see figures that are greater than what you can lift.

Q: 9. does this have a 3/8 female thread on the other side? The pictures only display for 1/4 threading. I'd like a stud adapter for my light stands that have 3/8 threads at the top to attach a c-stand knuckle. thanks!

A: There is no threading on the top, only on the bottom.

Q: 10. How do you change between the 3/8 and 1/4 inch studs?

A: You will need a 1/4"-20 to 3/8"-16 bushing. https://www.bhphotovideo.com/c/search?Ntt=bushing&N=0&InitialSearch=yes&sts=ma