Features: Multi functional aluminum alloy expansion adapter with double 1/4" & 3/8" mounts seamlessly integrates with camera stabilizers, tripod accessories, and professional filming gear for versatile equipment configurations. Precise engineered sliding ensures 0 slippage during operating, while tool less installation design enables rapid assembly/disassembly for photography Designed for content creators, studio professional, and outdoor videographers requiring robust mounting solution for DSLRs, lighting rigs, and auxiliary camera accessories. Optimized for dynamic photography environments including studio productions, live stream setups, and on location documentary filming where stable multi device mounting is critical. Aircraft grade aluminum construction delivers professional durability at 35% reduced weight compared to steel alternatives, maintaining full compatibility with standard tripod quick release plates. Specifications: Component:aluminum alloy Size: 32x20mm/1.26x0.79in Supports 1/4 and 3/8 interfaces, for variety of cameras and photography accessories Type： Cheese claw buckle/ slide-through buckle Package Includes: 1PC aluminum alloy extension note: Please allow 1-2cm errors due to manual measurement. Pictures may not reflect actual color due to different monitors.