Oatey 4 In. Single Size Test Ball Stringliner or other hard-to-reach places with

or other hard-to-reach places with this large surface hook and loop pole sander

135 deg (degree) split point - won't walk

which allows for focusing radiant heat in multiple directions

High-quality carbon steel forged head

easy and effortless cup changes

Oatey 4 In. Single Size Test Ball Stringliner or other hard-to-reach places withSingle Size Test Ball is a must for those involved in the installation and repair of residential, commercial and industrial pipping systems. Can be used for head pressure testing or as a blocking plug for low pressue air testing. Easily fits test tees, sanitary tees, floor drains and roof vents. Much more flexible than traditional mechanical plugs. Made from long lasting, natural rubber. Molded with Cherne's trademarked rib design. Includes a 12 In.