<br> 12 PACK <br><br>Includes 6 - 2" Fine Thread with 3/4 knock out<br>and 6 - 2" Coarse Thread with 3/4" NPT knock<br>out for hoses or spigots.<br><br> Drum Accessory <br><br>These bung caps are for plugging the threaded<br>bunghole at the top of poly drums and barrels.<br><br> For Tight Head Or Closed Top Drums<br><br>Coarse thread fits 63mm American Buttress<br>thread plugs while the fine thread fits 63mm<br>NPS thread plug. <br><br> Will Fit Most Poly Drums <br><br>The coarse buttress thread caps with included<br>gasket will fit most 15, 30 and 55-gallon poly<br>drums and barrels.<br>