Oatey 4 In. Single Size Test Ball Category_Chemicals & Fluids NON-SLIP GRIP best suited for

NON-SLIP GRIP best suited for small- to medium-sized hands

adjustment control

improved paper clamp features for better paper retention

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Oatey 4 In. Single Size Test Ball Category_Chemicals & Fluids NON-SLIP GRIP best suited forSingle 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.