Product Description Specifications EPDM Tapered Plug: A: 2.52 IN 64 mm; B: 2.125 IN 54 mm; Length: 1 IN 25.4 mm; Box Qty: 25 Max Temperature: 450° Major Diameter: 2.52 inches Metric Major Diameter: 64 mm Length: 1 inch Minor Diameter: 2.125 inches Metric Minor Diameter: 54 mm Material: EPDM Color: Black