Features: Engineered with stainless steel, the camera gear ensures durability and precise focus control, making it essential upgrades for professional DSLR and cinemas camera accessories. Featuring universals compatibility with major camera brands and toolless installation, this antislip focus disk streamlines lens adjustments while maintaining secure grip in humid environments. for cinematographers and studio professional requiring equipment for dynamic shoots, it particularly benefits multi camera systems users seeking crosses brand adaptability. for fast paced outdoor filming and studio productions where rapid focal and moisture resistant accessories for uninterrupted workflow. The machined stainless steel construction resists deformation under heavy use, while its textured surfaces pattern enhances tactiles feedbacks during precise follow focus operations with cinemas rigs. Specifications: Materials: stainless steel Properties: silver Size: 31mm/25mm (optional) Package Includes: 1PC Camera Mount Adapter Gear 4Pcs Screw 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.