Product Description Specifications EPDM Tapered Plug: A: 0.343 IN 8.7 mm; B: 0.187 IN 4.7 mm; Length: 0.625 IN 15.9 mm; Box Qty: 1000 Max Temperature: 450° Major Diameter: 0.343 inch Metric Major Diameter: 8.7 mm Length: 0.625 inch Minor Diameter: 0.187 inch Metric Minor Diameter: 4.7 mm Material: EPDM Color: Black