The T shaped bar enables one handed operation for quick, easy setup. Key features One handed operation: The T shape bar allows convenient, single hand use for fast adjustments. 360 degree horizontal rotation: Double clamps rotate fully horizontally, providing flexible positioning to meet changing needs. All metal construction: Built from durable metal for stability and long term use; suitable for outdoor use in rain and snow. Crab claw style grip: The two way clip acts like crab claws, applying strong grip to securely clamp both square and round shapes. Benefits Reliable performance in a variety of environments thanks to all metal construction. Flexible mounting and positioning with 360 degree clamp rotation. Secure clamping on a wide range of shapes, including square and round profiles. Simple, ergonomic operation with the T shaped bar for one handed use. Compatibility and usage notes Designed to grip common square and round profiles; clamps securely to objects within the range of its claws. Suitable for applications where a strong, versatile clamp is needed on bars, frames, or mounting surfaces. Use scenarios Workshop or fabrication setting: Clamp square or round stock during cutting, drilling, or assembly for stable hands work. Outdoor setup: Mount lighting, cameras, or accessories to poles, rails, or frames during outdoor shoots or events, even in rain or snow. DIY or maintenance tasks: Secure hoses, cables, or tools along frames or bars to keep your workspace organized and safe. This description stays true to the original product concepts, emphasizing function, durability, and practical versatility without adding extraneous details.