We are manufacturers of Stainless Steel Heavy Duty Pipe Holding Clamps, since last 29 years. We manufacture pipe holding clamps, by lost wax investment casting process. Following is whole assembly of pipe holding clamps: a) Clamp set, b) wing nut, c) Cap having ½ BSP threads welded along side clamp. Finishing: Matt Finish. Size: ½ inch to 4 inches.