SmallRig Counterweight Mounting Plate (Arca Type) for Zhiyun WEEBILL LAB/WEEBILL-S Gimbal BSS2283 Key Features: 1. For Zhiyun WEEBILL LAB/WEEBILL-S Gimbal. 2. Replace original Arca Swiss gimbal plate. 3. Help to Balance the setup of a heavy front camera. 4. 1/4''-20 threads for counterweight. 5. Supports original lens mount on your gimbal. 6. M4 Thread for Zhiyun Transmount Servo Motor. 7. Rubber padding to protect the camera. SmallRig Counterweight Mounting Plate (Arca Type) for Zhiyun WEEBILL LAB/WEEBILL-S Gimbal BSS2283 Is designed to replace the original Arca plate Swiss that comes from gimbals and allowing you to balance the front-heavy camera setup. The plate is Arca Swiss standard allowing a quick transition between equipment without rebalancing. It features rows of 1/4"-20 threaded holes to the rear to support the optional counterweight 2284 (100g)and2285(200g). This mounting plate allows you to mount a longer lens with your camera. In addition, it is endowed with a threaded hole from 1/4"-20 to the front to fit the original lens holder that comes with Weebill Lab. The Arca Swiss plate has two m4 threaded holes on the bottom for the Zhiyun TransMount Servo Focus controller. OptionalManfrotto Counterweight Plate 2277 and Side Counterweight Clamp 2274 allows you to balance your gimbal as a second or third solution. Designer: Tracy Joy, Co-designer: ZHIYUN-Tech's Jammy Zheng Compatibility: For WEEBILL-S Zhiyun For Zhiyun WEEBILL LAB Package includes: 1 x Mounting Plate Dimensions of the product: 136.5X88X23.7mm Package size: 180X100X40mm Net weight: 145g Package weight: 180g Material(s): Aluminum alloy