SAE Size 40, 21/16 to 3 Diam, Stainless Steel Worm Drive Clamp IDEAL TRIDONNOTE: ITEM MUST BE ORDERED IN MULTIPLES OF 5. TOTAL RECYCLED CONTENT: 10.00%. POSTCONSUMER RECYCLED CONTENT: 1.00%. CATEGORIES: Maintenance, Repair and Operational (MRO) Supplies. Clamps, Hangers & Supports. Hose Clamps & Clamping Tools. Worm Gear Clamps. N/A. KEYWORDS: IDEAL TRIDONClamps, Hangers & SupportsHose Clamps & Clamping ToolsWorm Gear ClampsN/A.