The 17.7" Flex Arm from Kupo has a hex stud on one side designed for the Convi Clamp or Super Viser Clamp or Super Clamp Systems. The other side has a 5/8" "Baby" stud with a male 1/4"-20 thread for lightweight clamps, cameras, microphones, lights or flash units. The flexible arm in between can be bent and holds shapes like an s-curve.

Length: 17.7"    5/8" Stud Each End

Related Questions and Answers

Q: 1. Is this compatible with the Manfrotto Super Clamp?

A: Yes, this arm can work with a Manfrotto Super Clamp.

Q: 2. 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: 3. What are the weight limitations that this will hold? If I'm using the C-stand riser what unit will this safely hold?

A: The manufacture does not list the support weight of the Kupo Pivoting Boom Arm Clamp. It is made to use a C stand column and most of those have a support weight of up to 22 lbs.

Q: 4. How useful is this for macro work? Can it be flexed forward at an angle that points the flash immediately in front of the lens?

A: The arm is completely flexible. To answer your main question, while it depends on your camera, your lens and your flash, we believe you can get the flash where you want it.

Q: 5. What boom arm or pole is recommended for this Kupo Pivoting boom arm clamp? The Kupo steel baby boom does not fit in the opening of the kapok arm clamp.

A: HI,Kupo pivoting clamp is constructed by solid aluminum die-casting &plastic cardboard insert which can fit a wider tubing size from3035mm diameter boom. With 1-1/8 ( 28mm) male pin and 5/8 (16mm) female receiver, the attachment of clamp can fit into juniorreceiver or mount on baby pin which gives great flexibility andadjustment.Look at using Kupo C-Stand Columns.Chrome plated steel C-Stand tube2 risers, 3 sections(Dia.: 35mm, 30mm, 25mm)I hope this helps.Regards,Will HBrand Manager Lighting, Mac Group US

Q: 6. Will this Kupo Junior 1 1/8" Offset Arm, with 1 1/8" receiver, fit snugly on a c-stand, with 5/8" baby stud..??

A: You would need a Junior to baby adapter to mount to a 5/8 stud Impact Baby to Junior Receiver Adapter BH #IMME130 • MFR #ME-130. What you mount in the other socket would need to have a male junior pin.

Q: 7. To rephrase a previous question - will the clamp tignten firmly on the smallest diameter top riser of a C stand?

A: The Kupo Sidearm with Baby Pin/Receiver would have the best fit on the main center column of the C-stand, below the riser sections.

Q: 8. What is the diameter of the top section, will it hold a foba extension?

A: The clamp can work with items that are between,Minimum Jaw Diameter is 1.18 (30mm)Maximum Jaw Diameter is 1.38 (35mm)There are many Foba extensions. Technically if the one you are referring to is in between the sizes above it should fit.

Q: 9. How long? Specs don’t say.

A: It is 17.7" long.

Q: 10. Will this grip arm support work with other C-stands with grip arms, i.e. A Matthews Hollywood C-Stand?

A: It can work with any C-stand but you will also need a Kupo 3 way clamp, this fits the C-stand. The grip arm can't be greater than 16mm (I had to look that up on the Kupo site). I bought this when I tried to mount a Westcott Apollo Orb, and pair of Cactus RF60 Flashes with battery packs and it was able to keep it in position. Without it I couldn't keep it upright.