SUPERIOR GRIP - Features a robust 2' jaw opening, ensuring a firm hold on various surfaces for secure mounting of photography equipment in any studio setting. INCREASED DURABILITY - Constructed with high-quality steel and aluminum, this clamp is built to withstand rigorous use and provide long-lasting reliability for professionals. ENHANCED VERSATILITY - Equipped with both 1/4'-20F and 3/8'-16M threaded studs, offering flexible mounting options for diverse photography accessories and setups. SECURE LOCKING - Provides a dependable locking mechanism, guaranteeing that your equipment stays firmly in place, preventing slippage and ensuring stable shots every time.