The Tite-Lok TL-103 Rocking Clamp is a high-quality clamp made of steel, designed for easy installation with its rotating top bracket. It is available in a sleek black color and is suitable for mounting fiberglass or aluminum truck caps. The clamp has a clamping range of 0 to 7/8 inches, a major reach of 2-3/4 inches, and a minor reach of 1-1/2 inches. The product dimensions are 1 pound in weight and 1.5 inches in clamp depth. The TL-103 Rocking Clamp is a reliable and durable choice for your hardware needs, with a product description that reads 'Rocking Clamps allow for rotation of the top bracket for easy installation without taking apart the clamp. Available in Black.'.