1.4PACK C-CLAMPS Includes clamps with 1/4-20 and 3/8-16 threaded holes. C-clamp jaws expand from 0.8 inch (20 mm) to 1.6 inch (40.6 mm) wide, enabling versatile attachment to rails, bars, or fixture edges. Anti-slip design The rubber pad is made of environmentally friendly ABS material. The padded, non-slip surface increases friction, protects substrate from marks, and helps prevent accessories from slipping or falling. Easy to adjust Freely adjustable installation angle with a screw knob for precise control. Multiple bracket mounting holes provide flexible positioning to suit different rigs and setups. Stable & durable Built for heavy-duty use, the clamp securely fixes cameras or flash heads. Robust construction ensures stable support under typical studio or field conditions. 2-3 use scenarios - Studio lighting: mount a flash head or compact LED panel to a light stand or arm, adjusting angle and position quickly. - On-location rigging: attach a compact camera or monitor to a pole, beam, or frame for overhead or side-angle shooting. - Workshop or field use: secure small accessories to metal rails or surfaces without damaging the material, thanks to the anti-slip padded pad. Effective compatibility Supports common 1/4-20 and 3/8-16 threaded accessories, making it suitable for a range of cameras, lights, and accessory gear.