The Altman 509-HD-18-1 18" Side Arm Sliding Tee Clampfrom Altman 509-HD-18-1 18" Side Arm Sliding Tee Clampextends the mounting positions of light fixtures and other equipment from a vertical pipe or boom. It features a 510-HD Pipe Clamp on one end of a 18" length of pipe that is 0.5" thick. A sliding tee with a 1/2"-13 bolt and washer is included, and the unit has a baked black enamel finish.

For Light Fixtures & Stage Lighting    Extends Mounting Positions    Pipe Length: 18"    Baked Black Enamel Finish

Related Questions and Answers

Q: 1. Will this work on a Kupo (silver) junior riser column (lower/main tube)?

A: It's made to fit Made to Fit 35mm Diameter Columns/Pipe, it will usually fit the top section of the column which should be 35mm.

Q: 2. How high does the sliding arm go up without the top pole (so it's not 8 feet tall) ?

A: The sections of the column would be less than 50".

Q: 3. What is the thread size connection on the bottom where it is attached to the tripod?

A: By default, the Slik Sliding Arm II comes with a 1/4"-20 bushing installed, but that can be removed to reveal the standard 3/8"-16 mounting thread that most tripods employ on the legs.

Q: 4. Is purchasing a jib head required? Or is this able to be used with just the arm and the P-JS jib stand?

A: The Proaim 18' Jib Arm cannot be operated without a means to mount your gimbal.

Q: 5. I have the Godox AD400Pro Witstro All in One Flash and a 7' Impact PLM. Would these items work with this stand, and do I need other attachments?

A: It will work better if you add Impact Swivel Umbrella Adapter B&H # IMCA108 under the Ad400pro to hold the umbrella.

Q: 6. Is an adapter needed to undersling a Ronin RS2?

A: To attach a DJI RS 2 Gimbal Stabilizer (B&H# DJRONINS2) to a Proaim 18' Jib Arm (B&H# PRP18) you could use many different products, but at a minimum just some basic hardware such as a 1/4"-20 bolt and washers; No special adapter is required.

Q: 7. Can the lower section of the column be removed/unscrewed from the legs?

A: No, the legs are not made to come off of the lower section of the Manfrotto 231B Column Stand with Sliding Arm (8').

Q: 8. The spring-loaded handle won't budge....am I missing something?

A: The first time can be tough. Use both hands to squeeze and rotate the handle at the same time. It will come loose and you can adjust as necessary.

Q: 9. I have this stand. I just realized that the 2 top poles are supposed to be locked or secured together somehow. I see holes for screws but nothing inside them. Any ideas??

A: There is only a hex screw which allows the two sections to fasten together. The hole at the top portion would not need a screw.

Q: 10. Can I use this gadget with Sony PXW Z150?

A: Yes, would make a great combo to the jib system as it will support 17.5 lbs