Product Description Specifications EPDM Pull Plug: Major Dia: 0.197 IN. 5 mm; Minor Dia: 0.11 IN. 2.8 mm; Length: 1 IN 25.4 mm; Hole thread: 10-32 THD; Box Qty: 500 Max Temperature: 450° Major Diameter: 0.197 inch Metric Major Diameter: 5 mm Minor Diameter: 0.11 inch Metric Minor Diameter: 2.8 mm Material: EPDM Color: Black