T6061 grade aluminum main body, S304 stainless steel screws, elaborately CNC machined with hard-anodized finish ensuring it's resistant to corrosion and abrasion. Diameter: 58mm/2.3in. Height: 26mm/1.1in. Length: 80mm/3.1in. Thread Socket Diameter: 8mm/0.3in. Net Weight: 135g/4.76oz. Product Features SUNWAYFOTO DDH-05N Precision Panning Base with integral clamp and bubble level for smooth and level panning. The scale with laser-engraved centering index marks can precisely master any angle variation during each shoot in horizontal rotation, the aligned scale of quick-release plate can accurately control the nodal point during the panoramic photography in different focal lengths. So the panoramic photography could be more accurate and high efficient.