SmallRig 5181 Quick Release Light Stand Adapter It’s compatible with most lightweight light stands and C-stands on the market. Cost-Effective and Stable: Supports up to 3kg load capacity. Compact Precision Control - Press and hold the button for quick ±90° angle adjustments. The handle grip also allows 360° pan rotation. Sturdy and Durable - Locking knob ensures secure fixation and long-lasting performance. 1/4"-20 to Cold Shoe Adapter - Seamlessly mounts on-camera flashes or other accessories. 9mm Umbrella Slot - Dedicated hole for attaching shoot-through umbrellas.