Test Plug Showing all 5 results Default sorting Sort by popularity Sort by average rating Sort by latest Sort by price: low to high Sort by price: high to low 1-1/2″ Wing Nut Test Plug $4.35 Add to cart 2″ Wing Nut Test Plug $5.05 Add to cart 3″ Wing Nut Test Plug $7.50 Add to cart 4″ Wing Nut Test Plug $9.56 Add to cart 1/2″ MIP Shower Test Plug $4.59 Add to cart