Flat surfaces clamping ranges: 0-61mm diameter. Round tube clamping ranges: 0-84mm diameter Powerful clamping for secure and durability holding. Aluminium alloy construction delivers robust clamping force, suitable for stable gripping across multiple scenarios Multi-hole design for limitlessedly expansion. Multiple 1/4‘ and 3/8’ screw holes and double hot shoe ports Anti-deflection multi-layer anti-slip: Large-area anti-slip pad deflection and displacement, enhancing clamping force.180° spacer Adaptive for flat surfaces and round tubes: Optimised clamping methods for both flat surfaces and round tubes