D.O. Smith 14052 Economy Test Plugs 4" Dynamyter/Dollar plug (6 Pack)
D.O. Smith 14052 Economy Test Plugs 4" Dynamyter/Dollar plug (6 Pack) Economy Test Plug - Standard Dynamyter/Dollar Plug Here's another simple, easy-to-use test plug with typical All American features: wing nut, expandable rubber sealing ring, and a variety of sizes, 1-1/2" to 6". D.O. Smith 14052 Economy Test Plugs 4" Dynamyter/Dollar plug (6 Pack) Features: For plastic and cast iron Rugged steel wing nut Thick plated steel parts Perfect fit for positive seal Pliable, flanged rubber seal Made in USA