Check the listing for details. 1/8" NPT STAINLESS STEEL Weld Bungs TEMP, tank fitting low profile USA MADE. Condition: New. Listed at 3.95 USD. More MADE IN THE USA pieces. Sale is for one piece only. WE make all of our own products for the fabricator and racer.These STAINLESS steel weld bungs are made from USA made quality. 304 STAINLESS STEEL They are .625" diameter. .400" TALL, with a .125 TALL SHOULDER. YOU INSERT THESE INTO A 1/2" HOLE AND WELD. Small diameter is .490" They will stick up .125" when properly installed. 1/8 -27 NPT. PIPE THREAD " These will weld to your tank or project without any problems, like distortion. Thick enough to not warp, small enough to not add too much weight.More MADE IN THE USA pieces. Sale is for one piece only. WE make all of our own products for the fabricator and racer.These STAINLESS steel weld bungs are made from USA made quality. 304 STAINLESS STEEL They are .625" diameter. .400" TALL, with a .125 TALL SHOULDER. YOU INSERT THESE INTO A 1/2" HOLE AND WELD. Small diameter is .490" They will stick up .125" when properly installed. 1/8 -27 NPT. PIPE THREAD " These will weld to your tank or project without any problems, like distortion. Thick enough to not warp, small enough to not add too much weight.