Product Description Specifications EPDM Pull Plug: Major Dia: 1.02 IN. 25.9 mm; Minor Dia: 0.375 IN. 9.5 mm; Length: 1 IN 25.4 mm; Hole thread: 1; Box Qty: 50 Max Temperature: 450° Major Diameter: 1.02 inches Metric Major Diameter: 25.9 mm Minor Diameter: 0.375 inch Metric Minor Diameter: 9.5 mm Material: EPDM Color: Black