Features: From machined aluminum with anodized oxidation resistance, the QR40S quick release clamp ensures universals arcas swisses compatibility (38-42mm plates) while delivering durability for professional stabilizers and tripods. Equipped with double 1/4" and 3/8" threaded mounts with 38mm arcas swisses base, this adapter enables seamless integration with gimbals, monopods, and video rigs through precise clicks stop adjustments and engraved alignment markers. for content creators and cinematographers using DSLR/mirrorlessly cameras with S stabilizers, L bracket setups, or multiple platform filming gear requiring rapid equipment swaps. Optimize studio shoots, outdoor vlog, and action videography by securely mounting cameras to tripods, sliders, or monitor arms while maintaining quick release flexibility for dynamic scene . Engineered with double safety locks and antislip grooves, the clamp vibrationfree stability during panning shots or time lapses sequences, backed by crosses brand compatibility with major arcas swisses plate systems. Specifications: Materials: Aluminum alloy Size: 65x38mm Package Includes: 1PC QR40S Quick Release Clamp note: Please allow 0-1cm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the Pictures may not reflect the actual of the item.