Overview Reviews Product Description Topaz 533 Clamp Material: Aluminum Diameter: 1 Inch One Hole Conduit Clamp. Product Videos Custom Field Size 1 Material Aluminum Product Reviews Write a Review Write a Review × Topaz 533 Clamp Material: Aluminum Diameter: 1 Inch One Hole Conduit Clamp Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *