Buy from Amazon.com : http://fave.co/1Hd8HhI <br /><br />SUNWAYFOTO 50mm Duo-Lever Clamp for Tripod Head Arca Compatible DLC-50 Sunway<br /><br />Product Description : <br />SUNWAYFOTO brand Arca-Swiss compatible <br />Combination Lever lock and Screw Lock <br />All metal construction <br />38mounting hole and 14 adapter <br />Includes allen wrench and hex screw
