The Super Clamp & 3.5" Arm from CAMVATE sports a mini ball head with a 1/4"-20 screw on each end. Use it to mount a compatible accessory onto a tube or surface up to 1.6" wide.

This aluminum and stainless steel clamp also incorporates one 1/4"-20 thread and one 3/8"-16 thread for use with a wide variety of components. Each mini ball head offers 360° of swivel and 90° of tilt, with one head providing a knurled thumbscrew for quick mounting on your accessory.

Mounts 1/4"-20 Thread Accessory    3.5" Arm with Dual Mini Ball Heads    1/4"-20 Screw on Each End    Maximum Clamp Opening: 1.6"    1/4"-20 & 3/8"-16 Accessory Threads    360° Swivel, 90° Tilt    Supports up to 3.3 lb    Wingnut Fasteners    Aluminum Alloy & Stainless Steel

Related Questions and Answers

Q: 1. What is the diameter of the ball on this head?

A: The diameter of the SmallRig 2164 Multifunctional Crab Clamp with 3.5" Ball Head Arm's ball section is 1.5".

Q: 2. How much weight does it support?

A: The 12” Dual Mega Ball Clamp Arm with 1/4-20 Accessory Mounting, can support around 3-4 Lbs of equipment. However, the weight capacity varies depending on how the unit is positioned.

Q: 3. Will this REALLY hold 8 lbs. if it extended out perfectly horizontally and the 8 lbs. is on the end?

A: Yes, the load capacity is based on the full extension of the arm, so it will hold up to 8 lbs.

Q: 4. Where are these made?

A: Country of origin is China.

Q: 5. What mating structures are on the end shown only in profile here (on the right side of the image: the larger diameter end)? A female 1/4-20? A female 3/8-16? Something completely different?

A: Both ends are 1/4 20 and there is a male to female converter that can be removed. The Converter has a 1/4 20 Female and a 3/8 female with a 1/4 20 reducer bushing.

Q: 6. What is the minimum opening for this clamp?

A: This will almost close to the point where the two sides meet. Because of that you'll be able to clamp it on to very thin surfaced.

Q: 7. Could this hold a DSLR (Canon M50 Mk ii) at a 90 degree angle?

A: The SmallRig 2164 Multifunctional Crab Clamp with 3.5" Ball Head Arm has a maximum payload of 2.2 lb / 1 kg. The Canon EOS M50 Mark II Mirrorless Digital Camera with 15-45mm weighs 1.1398 lb / 517 g. You will be good for stationary positioning even at 90°.

Q: 8. Is that impact arm with lever better than the impact one with knob? How it's vs Manfrotto one?

A: The only difference between the Impact Pivot Arm 20" with Locking Lever included in the Impact Pivot Arm Kit and the Impact Pivot Arm 20" with Adjustable Wheel Lock Control, B&H # IMBHE115, or the Manfrotto 244N Variable Friction Magic Arm, B&H # MA244N, with its adjustable locking wheel versus the Manfrotto 143N Magic Arm without Camera Bracket, B&H # MA143N, with its pivot locking arm would simply be the locking mechanism; otherwise, they are identical in all other aspects. The Impact arms have a maximum load capacity of 8 lb (3.6 kg), whereas the maximum load capacity of the Manfrotto arms would be 6.6 lb (3 kg).

Q: 9. Can I use a third party extension if I want it to longer on certain occasions?

A: We are not aware of any third party extensions that would work for this product. If you needed a longer reach, you would need to look in to using a longer arm. Acebil offers the Multiple Function Magic Arm / Two Joint which is 15 inches instead of 12. https://bhpho.to/2Jz1bUN

Q: 10. Is there a wedge I can use with Crab Clamp to get a solid attachment to a flat surface like with a SuperClamp?

A: Unfortunately there is no direct option for this, though anything that could fit in the space could do the job.