The Ultralight Cinema Double 8" Arm Package 1/4"-20 to 1/4"-20includes the hardware to build a six-articulating joint ball arm. The kit includes two AD-1420-2S ball adapters, two DB-08 arms, and three AC-CSF clamps. The clamp is black in color, made from 6061 T6 aircraft-grade aluminum with Type III anodizing. The mounting screws are made from 316 stainless steel.

1/4"-20 and 1/4"-20 Male Threads    8" Double Ball Arms    Type III Black Anodized 6061 T6 Aluminum    Stainless Steel Mounting Threads

Related Questions and Answers

Q: 1. Is it turtle base or sliding leg?

A: Neither, this is a spring loaded base stand. The sliding leg is PN: B756020 and the C+ Turtle Base is PN: B756120.

Q: 2. What is the max weight this will hold?

A: Not a lot of weight at all, about 380 grams (0.837757 pound)

Q: 3. What is the diameter of the arm itself? 16mm?

A: 14mm

Q: 4. Is the big handle (th knuckle) fixed to the end of the rod (arm) or can it slide along the arm and be tightened along any position?

A: Yes it is fixed to the arm.

Q: 5. Can I place my Aputure 120D ii on it with the light dome?

A: The combined weight of the Aputure Light Storm LS C120D II LED Light and the Aputure Light Dome II (34.8") is 10.44 lbs (4.7 kg). The Matthews 20" Double Riser C-Stand has a maximum load capacity of 22 lbs, so yes, the light fixture and light dome may be supported by the Matthews 20" Double Riser C-Stand. The Matthews Hollywood Gobo Arm - 20" is not a boom arm, and Matthews does not list a maximum load capacity for the grip arm. You may purchase the Kupo Baby 5/8" Grip Arm Pin, B&H # KUKG002212, to use the Aputure Light Storm LS C120D II LED Light on the gobo arm, but it may not support the weight of both the LS C120D II and the Light Dome II together.

Q: 6. Can you change the end clamps to something else?

A: Unfortunately, the clamps on this arm cannot be changed.

Q: 7. I bought 2 of these and have trouble loosening them. When I turn the handles, they come off rather than open the grip head. Anyone know if there's a particular technique or do I have faulty ones?

A: For this inquiry, it would be best to contact the manufacturer, Impact, for further assistance at 212-594-2120.

Q: 8. How much weight will a grip arm support ?

A: It depends on the orientation of the arm and clamps. It is a solid steel rod. In many cases it will exceed the load limit of a stand.

Q: 9. If I use this 3.5" spigot on the light stand BH #IMLS96HABI and then mount the grid head BH #IMKCP200B, should I use the top locking knob screw hole on the grip head or the bottom one to secure the head? Or this spigot doesn't work with the grip head at all?

A: It will work

Q: 10. Can I daisy chain 2 of these to make an 80-inch extension?

A: Technically, yes. Although I wouldn't recommend it. Much better to use a boom arm, like the Avenger D600 or something that is telescopic and can be counter balanced.