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SmallRig Crab-Shaped Clamp Kit 1138B | with Gopro Adapter
- Anti-twist design;
- Newly designed ball heads increase friction and load-bearing capacity up to 1.5 kg / 3.3lb;
- Made of aircraft grade aluminum and stainless steel, sturdy and durable
There is a 1/4"-20 screw on one side of the magic arm for an action camera, monitor, LED video light, microphone, etc. The ball head features anti-slip threads for a firm lock. An anti-twist structure secures the ballhead magic arm to the crab-shaped clamp firm to ensure they do not become loose or fall off while moving. The other side of the crab-shaped clamp can be clipped to a rod, desk, tripod leg, and stabilizer handheld ring. The clamp opens as wide as 54mm / 2.1in and is compatible with DJI Ronin, FREEFLY MOVI Pro, and any 30mm rods, with easy adjustment via a knob. The clamp is embedded with pads which effectively protects the clamping object and enhances the stability of the clamping. The entire kit can be used with the included action camera mount to adapt to GoPro Hero Cage 3084C & 3083C and Frame for Insta360 X3 4088B.


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Which is the Best Clamp for You?

aplus content video
SmallRig Crab-Shaped Clamp Kit 1138B | with Gopro Adapter
- Anti-twist design;
- Newly designed ball heads increase friction and load-bearing capacity up to 1.5 kg / 3.3lb;
- Made of aircraft grade aluminum and stainless steel, sturdy and durable
There is a 1/4"-20 screw on one side of the magic arm for an action camera, monitor, LED video light, microphone, etc. The ball head features anti-slip threads for a firm lock. An anti-twist structure secures the ballhead magic arm to the crab-shaped clamp firm to ensure they do not become loose or fall off while moving. The other side of the crab-shaped clamp can be clipped to a rod, desk, tripod leg, and stabilizer handheld ring. The clamp opens as wide as 54mm / 2.1in and is compatible with DJI Ronin, FREEFLY MOVI Pro, and any 30mm rods, with easy adjustment via a knob. The clamp is embedded with pads which effectively protects the clamping object and enhances the stability of the clamping. The entire kit can be used with the included action camera mount to adapt to GoPro Hero Cage 3084C & 3083C and Frame for Insta360 X3 4088B.


Discover More Product
Which is the Best Clamp for You?
![]() 4103B | ![]() 4454 | ![]() 4766 | ![]() 4191 | ![]() 4102B | ![]() 3757B | ![]() 4373 |
|---|---|---|---|---|---|---|
| Customer Reviews | ||||||
| — | — | — | — | — | — | — |
| Price | ||||||
| — | — | — | — | — | — | — |
| Introduction | ||||||
| Double clamp | Magic Arm Clamp Kit | Magic Arm Clamp Kit | Handlebar Mount | Ball Head Clamp Kit | Ball Head Clamp Kit | Ball Head Clamp Kit |
| Applicable devices | ||||||
| Selfie stick/Umbrella | Light/Camera | Phone/Light | Action camera | Phone/Light/Camera | Phone/Light/Camera | Phone/Light/Camera |
| Applicable scenarios | ||||||
| Tripod/Tube | Desk/Tripod/Tube | Desk/Tripod/Tube | Moto/Bike Handlebar | Tripod/Tube | Tripod/Tube | Tripod/Tube |
| Dynamic/Static | ||||||
| Dynamic, Static | Static | Static | Dynamic, Static | Static | Static | Static |
| Detachable? | ||||||
| — | — | Detachable | — | — | — | — |
| Load capacity | ||||||
| 3.5 kg | 1.5kg / 3.3lb | 0.25kg / 8.8oz | — | 3.5 kg | 3.5 kg | 1.5 kg / 3.3lb |
| Clamping range | ||||||
| 14-65mm | 50mm | 63.5mm | 22-32mm in diameter | 14-65mm | 14-65mm | 54mm |
| Threaded holes | ||||||
| 3/8"-16 | 1/4"-20 | 1/4"-20 | — | 1/4"-20 & 3/8"-16 | 1/4"-20 & 3/8"-16 | 3/8"-16 |
| Weight | ||||||
| 284g | 377.0 ± 5.0g | 310.0 ± 5.0g | 185.0 ± 5.0g | 158g | 205g | 230g±5g |
| Dimensions | ||||||
| 98 x 19.6 x 199.6mm | 210.0 x 98.0 x 28.0mm | 649.0 x 71.0 x 29.0mm | 172.2 x 81.2 x 27.9mm | 98 x 22.8 x 142.2mm | 167.4 x 89.8 x 18.0mm | 158 x 92 x 25mm |



















































